Finding the Fourth Proportional to 31,272.42, 43,155.63 and 16,932

Step by Step Solution

1. Step 1: Write the proportion equation
   31,272.42 : 43,155.63 = 16,932 : x
2. Step 2: Convert to fraction form
   31,272.42/43,155.63 = 16,932/x
3. Step 3: Cross multiply
   31,272.42x = 43,155.63 × 16,932
4. Step 4: Simplify right side
   31,272.42x = 730,711,127.16
5. Step 5: Solve for x
   x = 730,711,127.16/31,272.42
6. Step 6: Final answer
   x = 23,365.99