Finding the Fourth Proportional to 31,132.52, 42,961.38 and 16,984.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,132.52 : 42,961.38 = 16,984.52 : x
2. Step 2: Convert to fraction form
   31,132.52/42,961.38 = 16,984.52/x
3. Step 3: Cross multiply
   31,132.52x = 42,961.38 × 16,984.52
4. Step 4: Simplify right side
   31,132.52x = 729,678,417.84
5. Step 5: Solve for x
   x = 729,678,417.84/31,132.52
6. Step 6: Final answer
   x = 23,437.82