Finding the Fourth Proportional to 156,052.38, 215,357.76 and 88,085.82

Step by Step Solution

1. Step 1: Write the proportion equation
   156,052.38 : 215,357.76 = 88,085.82 : x
2. Step 2: Convert to fraction form
   156,052.38/215,357.76 = 88,085.82/x
3. Step 3: Cross multiply
   156,052.38x = 215,357.76 × 88,085.82
4. Step 4: Simplify right side
   156,052.38x = 18,969,964,882.96
5. Step 5: Solve for x
   x = 18,969,964,882.96/156,052.38
6. Step 6: Final answer
   x = 121,561.52