Finding the Fourth Proportional to 31,188.72, 43,039.98 and 17,041.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,188.72 : 43,039.98 = 17,041.62 : x
2. Step 2: Convert to fraction form
   31,188.72/43,039.98 = 17,041.62/x
3. Step 3: Cross multiply
   31,188.72x = 43,039.98 × 17,041.62
4. Step 4: Simplify right side
   31,188.72x = 733,470,983.97
5. Step 5: Solve for x
   x = 733,470,983.97/31,188.72
6. Step 6: Final answer
   x = 23,517.19