Finding the Fourth Proportional to 1,612,337,875.72, 2,418,890,617.68 and 521,820,943.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,612,337,875.72 : 2,418,890,617.68 = 521,820,943.72 : x
2. Step 2: Convert to fraction form
   1,612,337,875.72/2,418,890,617.68 = 521,820,943.72/x
3. Step 3: Cross multiply
   1,612,337,875.72x = 2,418,890,617.68 × 521,820,943.72
4. Step 4: Simplify right side
   1,612,337,875.72x = 1,262,227,784,873,231,360
5. Step 5: Solve for x
   x = 1,262,227,784,873,231,360/1,612,337,875.72
6. Step 6: Final answer
   x = 782,855,630.87