Finding the Fourth Proportional to 31,086.08, 42,897.45 and 17,657.29

Step by Step Solution

1. Step 1: Write the proportion equation
   31,086.08 : 42,897.45 = 17,657.29 : x
2. Step 2: Convert to fraction form
   31,086.08/42,897.45 = 17,657.29/x
3. Step 3: Cross multiply
   31,086.08x = 42,897.45 × 17,657.29
4. Step 4: Simplify right side
   31,086.08x = 757,452,735.42
5. Step 5: Solve for x
   x = 757,452,735.42/31,086.08
6. Step 6: Final answer
   x = 24,366.30