Finding the Fourth Proportional to 156,002.66, 215,271.42 and 88,036.17

Step by Step Solution

1. Step 1: Write the proportion equation
   156,002.66 : 215,271.42 = 88,036.17 : x
2. Step 2: Convert to fraction form
   156,002.66/215,271.42 = 88,036.17/x
3. Step 3: Cross multiply
   156,002.66x = 215,271.42 × 88,036.17
4. Step 4: Simplify right side
   156,002.66x = 18,951,670,685.06
5. Step 5: Solve for x
   x = 18,951,670,685.06/156,002.66
6. Step 6: Final answer
   x = 121,483.00