Finding the Fourth Proportional to 8,878.17, 12,251.69 and 4,899.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,878.17 : 12,251.69 = 4,899.25 : x
2. Step 2: Convert to fraction form
   8,878.17/12,251.69 = 4,899.25/x
3. Step 3: Cross multiply
   8,878.17x = 12,251.69 × 4,899.25
4. Step 4: Simplify right side
   8,878.17x = 60,024,101.42
5. Step 5: Solve for x
   x = 60,024,101.42/8,878.17
6. Step 6: Final answer
   x = 6,760.86