Finding the Fourth Proportional to 31,232.32, 43,100.60 and 16,892.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,232.32 : 43,100.60 = 16,892.15 : x
2. Step 2: Convert to fraction form
   31,232.32/43,100.60 = 16,892.15/x
3. Step 3: Cross multiply
   31,232.32x = 43,100.60 × 16,892.15
4. Step 4: Simplify right side
   31,232.32x = 728,062,006.52
5. Step 5: Solve for x
   x = 728,062,006.52/31,232.32
6. Step 6: Final answer
   x = 23,311.17