Finding the Fourth Proportional to 156,161,518,684.80, 215,507,441,707.56 and 88,493,858,914.56

Step by Step Solution

1. Step 1: Write the proportion equation
   156,161,518,684.80 : 215,507,441,707.56 = 88,493,858,914.56 : x
2. Step 2: Convert to fraction form
   156,161,518,684.80/215,507,441,707.56 = 88,493,858,914.56/x
3. Step 3: Cross multiply
   156,161,518,684.80x = 215,507,441,707.56 × 88,493,858,914.56
4. Step 4: Simplify right side
   156,161,518,684.80x = 19,071,085,141,506,576,613,376
5. Step 5: Solve for x
   x = 19,071,085,141,506,576,613,376/156,161,518,684.80
6. Step 6: Final answer
   x = 122,124,101,392.74