Finding the Fourth Proportional to 31,620.48, 43,636.50 and 17,475.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,620.48 : 43,636.50 = 17,475.72 : x
2. Step 2: Convert to fraction form
   31,620.48/43,636.50 = 17,475.72/x
3. Step 3: Cross multiply
   31,620.48x = 43,636.50 × 17,475.72
4. Step 4: Simplify right side
   31,620.48x = 762,579,255.78
5. Step 5: Solve for x
   x = 762,579,255.78/31,620.48
6. Step 6: Final answer
   x = 24,116.62