Finding the Fourth Proportional to 156,656.01, 235,034.54 and 72,471.32

Step by Step Solution

1. Step 1: Write the proportion equation
   156,656.01 : 235,034.54 = 72,471.32 : x
2. Step 2: Convert to fraction form
   156,656.01/235,034.54 = 72,471.32/x
3. Step 3: Cross multiply
   156,656.01x = 235,034.54 × 72,471.32
4. Step 4: Simplify right side
   156,656.01x = 17,033,261,821.86
5. Step 5: Solve for x
   x = 17,033,261,821.86/156,656.01
6. Step 6: Final answer
   x = 108,730.34