Finding the Fourth Proportional to 31,434.67, 43,380.37 and 18,007.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,434.67 : 43,380.37 = 18,007.10 : x
2. Step 2: Convert to fraction form
   31,434.67/43,380.37 = 18,007.10/x
3. Step 3: Cross multiply
   31,434.67x = 43,380.37 × 18,007.10
4. Step 4: Simplify right side
   31,434.67x = 781,154,660.63
5. Step 5: Solve for x
   x = 781,154,660.63/31,434.67
6. Step 6: Final answer
   x = 24,850.10