Finding the Fourth Proportional to 8,796.85, 12,139.72 and 4,818.13

Step by Step Solution

1. Step 1: Write the proportion equation
   8,796.85 : 12,139.72 = 4,818.13 : x
2. Step 2: Convert to fraction form
   8,796.85/12,139.72 = 4,818.13/x
3. Step 3: Cross multiply
   8,796.85x = 12,139.72 × 4,818.13
4. Step 4: Simplify right side
   8,796.85x = 58,490,725.03
5. Step 5: Solve for x
   x = 58,490,725.03/8,796.85
6. Step 6: Final answer
   x = 6,649.05