Finding the Fourth Proportional to 31,618.80, 43,633.56 and 17,471.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,618.80 : 43,633.56 = 17,471.34 : x
2. Step 2: Convert to fraction form
   31,618.80/43,633.56 = 17,471.34/x
3. Step 3: Cross multiply
   31,618.80x = 43,633.56 × 17,471.34
4. Step 4: Simplify right side
   31,618.80x = 762,336,762.17
5. Step 5: Solve for x
   x = 762,336,762.17/31,618.80
6. Step 6: Final answer
   x = 24,110.24