Finding the Fourth Proportional to 2,097,315,022.50, 3,146,386,968.42 and 769,355,394.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097,315,022.50 : 3,146,386,968.42 = 769,355,394.78 : x
2. Step 2: Convert to fraction form
   2,097,315,022.50/3,146,386,968.42 = 769,355,394.78/x
3. Step 3: Cross multiply
   2,097,315,022.50x = 3,146,386,968.42 × 769,355,394.78
4. Step 4: Simplify right side
   2,097,315,022.50x = 2,420,689,788,219,416,576
5. Step 5: Solve for x
   x = 2,420,689,788,219,416,576/2,097,315,022.50
6. Step 6: Final answer
   x = 1,154,185,118.71