Finding the Fourth Proportional to 156,322.30, 215,728.79 and 95,926.31

Step by Step Solution

1. Step 1: Write the proportion equation
   156,322.30 : 215,728.79 = 95,926.31 : x
2. Step 2: Convert to fraction form
   156,322.30/215,728.79 = 95,926.31/x
3. Step 3: Cross multiply
   156,322.30x = 215,728.79 × 95,926.31
4. Step 4: Simplify right side
   156,322.30x = 20,694,066,785.46
5. Step 5: Solve for x
   x = 20,694,066,785.46/156,322.30
6. Step 6: Final answer
   x = 132,380.77