Finding the Fourth Proportional to 10,860.30, 14,989.53 and 8,314.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,860.30 : 14,989.53 = 8,314.83 : x
2. Step 2: Convert to fraction form
   10,860.30/14,989.53 = 8,314.83/x
3. Step 3: Cross multiply
   10,860.30x = 14,989.53 × 8,314.83
4. Step 4: Simplify right side
   10,860.30x = 124,635,393.73
5. Step 5: Solve for x
   x = 124,635,393.73/10,860.30
6. Step 6: Final answer
   x = 11,476.24