Finding the Fourth Proportional to 28,740.32, 39,662.56 and 17,411.92

Step by Step Solution

1. Step 1: Write the proportion equation
   28,740.32 : 39,662.56 = 17,411.92 : x
2. Step 2: Convert to fraction form
   28,740.32/39,662.56 = 17,411.92/x
3. Step 3: Cross multiply
   28,740.32x = 39,662.56 × 17,411.92
4. Step 4: Simplify right side
   28,740.32x = 690,601,321.72
5. Step 5: Solve for x
   x = 690,601,321.72/28,740.32
6. Step 6: Final answer
   x = 24,029.01