Finding the Fourth Proportional to 156,161,518,686.80, 215,507,441,710.32 and 88,493,858,916.56

Step by Step Solution

1. Step 1: Write the proportion equation
   156,161,518,686.80 : 215,507,441,710.32 = 88,493,858,916.56 : x
2. Step 2: Convert to fraction form
   156,161,518,686.80/215,507,441,710.32 = 88,493,858,916.56/x
3. Step 3: Cross multiply
   156,161,518,686.80x = 215,507,441,710.32 × 88,493,858,916.56
4. Step 4: Simplify right side
   156,161,518,686.80x = 19,071,085,142,181,834,391,552
5. Step 5: Solve for x
   x = 19,071,085,142,181,834,391,552/156,161,518,686.80
6. Step 6: Final answer
   x = 122,124,101,395.50