Finding the Fourth Proportional to 31,700.63, 43,748.18 and 17,553.47

Step by Step Solution

1. Step 1: Write the proportion equation
   31,700.63 : 43,748.18 = 17,553.47 : x
2. Step 2: Convert to fraction form
   31,700.63/43,748.18 = 17,553.47/x
3. Step 3: Cross multiply
   31,700.63x = 43,748.18 × 17,553.47
4. Step 4: Simplify right side
   31,700.63x = 767,932,469.32
5. Step 5: Solve for x
   x = 767,932,469.32/31,700.63
6. Step 6: Final answer
   x = 24,224.52