Finding the Fourth Proportional to 156,609.50, 215,978.67 and 132,461.17

Step by Step Solution

1. Step 1: Write the proportion equation
   156,609.50 : 215,978.67 = 132,461.17 : x
2. Step 2: Convert to fraction form
   156,609.50/215,978.67 = 132,461.17/x
3. Step 3: Cross multiply
   156,609.50x = 215,978.67 × 132,461.17
4. Step 4: Simplify right side
   156,609.50x = 28,608,786,783.30
5. Step 5: Solve for x
   x = 28,608,786,783.30/156,609.50
6. Step 6: Final answer
   x = 182,675.94