Finding the Fourth Proportional to 156,150.05, 215,434.08 and 101,677.34

Step by Step Solution

1. Step 1: Write the proportion equation
   156,150.05 : 215,434.08 = 101,677.34 : x
2. Step 2: Convert to fraction form
   156,150.05/215,434.08 = 101,677.34/x
3. Step 3: Cross multiply
   156,150.05x = 215,434.08 × 101,677.34
4. Step 4: Simplify right side
   156,150.05x = 21,904,764,738.33
5. Step 5: Solve for x
   x = 21,904,764,738.33/156,150.05
6. Step 6: Final answer
   x = 140,280.23