Finding the Fourth Proportional to 8,635.30, 12,962.55 and 5,352.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,635.30 : 12,962.55 = 5,352.10 : x
2. Step 2: Convert to fraction form
   8,635.30/12,962.55 = 5,352.10/x
3. Step 3: Cross multiply
   8,635.30x = 12,962.55 × 5,352.10
4. Step 4: Simplify right side
   8,635.30x = 69,376,863.86
5. Step 5: Solve for x
   x = 69,376,863.86/8,635.30
6. Step 6: Final answer
   x = 8,034.10