Finding the Fourth Proportional to 31,079.62, 42,890.88 and 17,650.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,079.62 : 42,890.88 = 17,650.63 : x
2. Step 2: Convert to fraction form
   31,079.62/42,890.88 = 17,650.63/x
3. Step 3: Cross multiply
   31,079.62x = 42,890.88 × 17,650.63
4. Step 4: Simplify right side
   31,079.62x = 757,051,053.25
5. Step 5: Solve for x
   x = 757,051,053.25/31,079.62
6. Step 6: Final answer
   x = 24,358.44