Finding the Fourth Proportional to 17,124.86, 25,685.67 and 12,148.52

Step by Step Solution

1. Step 1: Write the proportion equation
   17,124.86 : 25,685.67 = 12,148.52 : x
2. Step 2: Convert to fraction form
   17,124.86/25,685.67 = 12,148.52/x
3. Step 3: Cross multiply
   17,124.86x = 25,685.67 × 12,148.52
4. Step 4: Simplify right side
   17,124.86x = 312,042,939.92
5. Step 5: Solve for x
   x = 312,042,939.92/17,124.86
6. Step 6: Final answer
   x = 18,221.63