Finding the Fourth Proportional to 2,645,699,802.80, 3,651,036,754.20 and 1,456,243,340.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645,699,802.80 : 3,651,036,754.20 = 1,456,243,340.72 : x
2. Step 2: Convert to fraction form
   2,645,699,802.80/3,651,036,754.20 = 1,456,243,340.72/x
3. Step 3: Cross multiply
   2,645,699,802.80x = 3,651,036,754.20 × 1,456,243,340.72
4. Step 4: Simplify right side
   2,645,699,802.80x = 5,316,797,960,027,713,536
5. Step 5: Solve for x
   x = 5,316,797,960,027,713,536/2,645,699,802.80
6. Step 6: Final answer
   x = 2,009,599,862.54