Finding the Fourth Proportional to 156,519.50, 215,996.87 and 88,535.00

Step by Step Solution

1. Step 1: Write the proportion equation
   156,519.50 : 215,996.87 = 88,535.00 : x
2. Step 2: Convert to fraction form
   156,519.50/215,996.87 = 88,535.00/x
3. Step 3: Cross multiply
   156,519.50x = 215,996.87 × 88,535.00
4. Step 4: Simplify right side
   156,519.50x = 19,123,281,362.79
5. Step 5: Solve for x
   x = 19,123,281,362.79/156,519.50
6. Step 6: Final answer
   x = 122,178.27