Finding the Fourth Proportional to 8,878.50, 12,252.32 and 4,899.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,878.50 : 12,252.32 = 4,899.61 : x
2. Step 2: Convert to fraction form
   8,878.50/12,252.32 = 4,899.61/x
3. Step 3: Cross multiply
   8,878.50x = 12,252.32 × 4,899.61
4. Step 4: Simplify right side
   8,878.50x = 60,031,565.10
5. Step 5: Solve for x
   x = 60,031,565.10/8,878.50
6. Step 6: Final answer
   x = 6,761.46