Finding the Fourth Proportional to 31,700.45, 43,748.01 and 17,553.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,700.45 : 43,748.01 = 17,553.31 : x
2. Step 2: Convert to fraction form
   31,700.45/43,748.01 = 17,553.31/x
3. Step 3: Cross multiply
   31,700.45x = 43,748.01 × 17,553.31
4. Step 4: Simplify right side
   31,700.45x = 767,922,272.04
5. Step 5: Solve for x
   x = 767,922,272.04/31,700.45
6. Step 6: Final answer
   x = 24,224.33