Finding the Fourth Proportional to 156,113.72, 215,442.16 and 95,672.69

Step by Step Solution

1. Step 1: Write the proportion equation
   156,113.72 : 215,442.16 = 95,672.69 : x
2. Step 2: Convert to fraction form
   156,113.72/215,442.16 = 95,672.69/x
3. Step 3: Cross multiply
   156,113.72x = 215,442.16 × 95,672.69
4. Step 4: Simplify right side
   156,113.72x = 20,611,932,228.15
5. Step 5: Solve for x
   x = 20,611,932,228.15/156,113.72
6. Step 6: Final answer
   x = 132,031.52