Finding the Fourth Proportional to 31,642.64, 43,665.04 and 17,494.57

Step by Step Solution

1. Step 1: Write the proportion equation
   31,642.64 : 43,665.04 = 17,494.57 : x
2. Step 2: Convert to fraction form
   31,642.64/43,665.04 = 17,494.57/x
3. Step 3: Cross multiply
   31,642.64x = 43,665.04 × 17,494.57
4. Step 4: Simplify right side
   31,642.64x = 763,901,098.83
5. Step 5: Solve for x
   x = 763,901,098.83/31,642.64
6. Step 6: Final answer
   x = 24,141.51