Finding the Fourth Proportional to 156,065.79, 215,373.56 and 88,096.35

Step by Step Solution

1. Step 1: Write the proportion equation
   156,065.79 : 215,373.56 = 88,096.35 : x
2. Step 2: Convert to fraction form
   156,065.79/215,373.56 = 88,096.35/x
3. Step 3: Cross multiply
   156,065.79x = 215,373.56 × 88,096.35
4. Step 4: Simplify right side
   156,065.79x = 18,973,624,082.02
5. Step 5: Solve for x
   x = 18,973,624,082.02/156,065.79
6. Step 6: Final answer
   x = 121,574.52