Finding the Fourth Proportional to 31,141.13, 42,976.05 and 17,714.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,141.13 : 42,976.05 = 17,714.75 : x
2. Step 2: Convert to fraction form
   31,141.13/42,976.05 = 17,714.75/x
3. Step 3: Cross multiply
   31,141.13x = 42,976.05 × 17,714.75
4. Step 4: Simplify right side
   31,141.13x = 761,309,981.74
5. Step 5: Solve for x
   x = 761,309,981.74/31,141.13
6. Step 6: Final answer
   x = 24,447.09