Finding the Fourth Proportional to 9,863.52, 14,799.89 and 4,316.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,863.52 : 14,799.89 = 4,316.15 : x
2. Step 2: Convert to fraction form
   9,863.52/14,799.89 = 4,316.15/x
3. Step 3: Cross multiply
   9,863.52x = 14,799.89 × 4,316.15
4. Step 4: Simplify right side
   9,863.52x = 63,878,545.22
5. Step 5: Solve for x
   x = 63,878,545.22/9,863.52
6. Step 6: Final answer
   x = 6,476.24