Finding the Fourth Proportional to 31,625, 43,638.72 and 17,475.92

Step by Step Solution

1. Step 1: Write the proportion equation
   31,625 : 43,638.72 = 17,475.92 : x
2. Step 2: Convert to fraction form
   31,625/43,638.72 = 17,475.92/x
3. Step 3: Cross multiply
   31,625x = 43,638.72 × 17,475.92
4. Step 4: Simplify right side
   31,625x = 762,626,779.62
5. Step 5: Solve for x
   x = 762,626,779.62/31,625
6. Step 6: Final answer
   x = 24,114.68