Finding the Fourth Proportional to 12,488.86, 17,232.88 and 12,152.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,488.86 : 17,232.88 = 12,152.86 : x
2. Step 2: Convert to fraction form
   12,488.86/17,232.88 = 12,152.86/x
3. Step 3: Cross multiply
   12,488.86x = 17,232.88 × 12,152.86
4. Step 4: Simplify right side
   12,488.86x = 209,428,778.04
5. Step 5: Solve for x
   x = 209,428,778.04/12,488.86
6. Step 6: Final answer
   x = 16,769.25