Finding the Fourth Proportional to 31,548.40, 43,536.72 and 17,400.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,548.40 : 43,536.72 = 17,400.88 : x
2. Step 2: Convert to fraction form
   31,548.40/43,536.72 = 17,400.88/x
3. Step 3: Cross multiply
   31,548.40x = 43,536.72 × 17,400.88
4. Step 4: Simplify right side
   31,548.40x = 757,577,240.31
5. Step 5: Solve for x
   x = 757,577,240.31/31,548.40
6. Step 6: Final answer
   x = 24,013.17