Finding the Fourth Proportional to 31,079.58, 42,890.14 and 16,932.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,079.58 : 42,890.14 = 16,932.42 : x
2. Step 2: Convert to fraction form
   31,079.58/42,890.14 = 16,932.42/x
3. Step 3: Cross multiply
   31,079.58x = 42,890.14 × 16,932.42
4. Step 4: Simplify right side
   31,079.58x = 726,233,864.34
5. Step 5: Solve for x
   x = 726,233,864.34/31,079.58
6. Step 6: Final answer
   x = 23,366.91