Finding the Fourth Proportional to 31,142.25, 42,977.49 and 17,714.73

Step by Step Solution

1. Step 1: Write the proportion equation
   31,142.25 : 42,977.49 = 17,714.73 : x
2. Step 2: Convert to fraction form
   31,142.25/42,977.49 = 17,714.73/x
3. Step 3: Cross multiply
   31,142.25x = 42,977.49 × 17,714.73
4. Step 4: Simplify right side
   31,142.25x = 761,334,631.43
5. Step 5: Solve for x
   x = 761,334,631.43/31,142.25
6. Step 6: Final answer
   x = 24,447.00