Finding the Fourth Proportional to 31,548.80, 43,536.72 and 17,402

Step by Step Solution

1. Step 1: Write the proportion equation
   31,548.80 : 43,536.72 = 17,402 : x
2. Step 2: Convert to fraction form
   31,548.80/43,536.72 = 17,402/x
3. Step 3: Cross multiply
   31,548.80x = 43,536.72 × 17,402
4. Step 4: Simplify right side
   31,548.80x = 757,626,001.44
5. Step 5: Solve for x
   x = 757,626,001.44/31,548.80
6. Step 6: Final answer
   x = 24,014.42