Finding the Fourth Proportional to 12,262.47, 18,377.52 and 4,862.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,262.47 : 18,377.52 = 4,862.88 : x
2. Step 2: Convert to fraction form
   12,262.47/18,377.52 = 4,862.88/x
3. Step 3: Cross multiply
   12,262.47x = 18,377.52 × 4,862.88
4. Step 4: Simplify right side
   12,262.47x = 89,367,674.46
5. Step 5: Solve for x
   x = 89,367,674.46/12,262.47
6. Step 6: Final answer
   x = 7,287.90