Finding the Fourth Proportional to 9,862.27, 14,799.57 and 5,482.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,862.27 : 14,799.57 = 5,482.78 : x
2. Step 2: Convert to fraction form
   9,862.27/14,799.57 = 5,482.78/x
3. Step 3: Cross multiply
   9,862.27x = 14,799.57 × 5,482.78
4. Step 4: Simplify right side
   9,862.27x = 81,142,786.40
5. Step 5: Solve for x
   x = 81,142,786.40/9,862.27
6. Step 6: Final answer
   x = 8,227.60