Finding the Fourth Proportional to 31,262.47, 43,142.34 and 17,116.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,262.47 : 43,142.34 = 17,116.63 : x
2. Step 2: Convert to fraction form
   31,262.47/43,142.34 = 17,116.63/x
3. Step 3: Cross multiply
   31,262.47x = 43,142.34 × 17,116.63
4. Step 4: Simplify right side
   31,262.47x = 738,451,385.53
5. Step 5: Solve for x
   x = 738,451,385.53/31,262.47
6. Step 6: Final answer
   x = 23,621.02