Finding the Fourth Proportional to 31,720.52, 43,774.28 and 17,574.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,720.52 : 43,774.28 = 17,574.28 : x
2. Step 2: Convert to fraction form
   31,720.52/43,774.28 = 17,574.28/x
3. Step 3: Cross multiply
   31,720.52x = 43,774.28 × 17,574.28
4. Step 4: Simplify right side
   31,720.52x = 769,301,453.52
5. Step 5: Solve for x
   x = 769,301,453.52/31,720.52
6. Step 6: Final answer
   x = 24,252.49