Finding the Fourth Proportional to 2,152,388,968,165.20, 3,228,586,559,563 and 878,973,763,155.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,388,968,165.20 : 3,228,586,559,563 = 878,973,763,155.12 : x
2. Step 2: Convert to fraction form
   2,152,388,968,165.20/3,228,586,559,563 = 878,973,763,155.12/x
3. Step 3: Cross multiply
   2,152,388,968,165.20x = 3,228,586,559,563 × 878,973,763,155.12
4. Step 4: Simplify right side
   2,152,388,968,165.20x = 2,837,842,877,931,132,031,074,304
5. Step 5: Solve for x
   x = 2,837,842,877,931,132,031,074,304/2,152,388,968,165.20
6. Step 6: Final answer
   x = 1,318,461,913,670.86