Finding the Fourth Proportional to 31,615.96, 43,630.91 and 17,469.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,615.96 : 43,630.91 = 17,469.72 : x
2. Step 2: Convert to fraction form
   31,615.96/43,630.91 = 17,469.72/x
3. Step 3: Cross multiply
   31,615.96x = 43,630.91 × 17,469.72
4. Step 4: Simplify right side
   31,615.96x = 762,219,781.05
5. Step 5: Solve for x
   x = 762,219,781.05/31,615.96
6. Step 6: Final answer
   x = 24,108.70