Finding the Fourth Proportional to 10,240,561,139.52, 14,131,899,136.80 and 5,785,144,553.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,240,561,139.52 : 14,131,899,136.80 = 5,785,144,553.28 : x
2. Step 2: Convert to fraction form
   10,240,561,139.52/14,131,899,136.80 = 5,785,144,553.28/x
3. Step 3: Cross multiply
   10,240,561,139.52x = 14,131,899,136.80 × 5,785,144,553.28
4. Step 4: Simplify right side
   10,240,561,139.52x = 81,755,079,318,760,849,408
5. Step 5: Solve for x
   x = 81,755,079,318,760,849,408/10,240,561,139.52
6. Step 6: Final answer
   x = 7,983,456,981.01