Finding the Fourth Proportional to 31,188.79, 43,039.57 and 17,041.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,188.79 : 43,039.57 = 17,041.62 : x
2. Step 2: Convert to fraction form
   31,188.79/43,039.57 = 17,041.62/x
3. Step 3: Cross multiply
   31,188.79x = 43,039.57 × 17,041.62
4. Step 4: Simplify right side
   31,188.79x = 733,463,996.90
5. Step 5: Solve for x
   x = 733,463,996.90/31,188.79
6. Step 6: Final answer
   x = 23,516.91