Finding the Fourth Proportional to 156,150.83, 234,191.21 and 71,830.01

Step by Step Solution

1. Step 1: Write the proportion equation
   156,150.83 : 234,191.21 = 71,830.01 : x
2. Step 2: Convert to fraction form
   156,150.83/234,191.21 = 71,830.01/x
3. Step 3: Cross multiply
   156,150.83x = 234,191.21 × 71,830.01
4. Step 4: Simplify right side
   156,150.83x = 16,821,957,182.54
5. Step 5: Solve for x
   x = 16,821,957,182.54/156,150.83
6. Step 6: Final answer
   x = 107,728.90