Finding the Fourth Proportional to 31,548.72, 43,536.56 and 17,402.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,548.72 : 43,536.56 = 17,402.88 : x
2. Step 2: Convert to fraction form
   31,548.72/43,536.56 = 17,402.88/x
3. Step 3: Cross multiply
   31,548.72x = 43,536.56 × 17,402.88
4. Step 4: Simplify right side
   31,548.72x = 757,661,529.29
5. Step 5: Solve for x
   x = 757,661,529.29/31,548.72
6. Step 6: Final answer
   x = 24,015.60