Finding the Fourth Proportional to 8,796.99, 12,139.29 and 4,818.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,796.99 : 12,139.29 = 4,818.15 : x
2. Step 2: Convert to fraction form
   8,796.99/12,139.29 = 4,818.15/x
3. Step 3: Cross multiply
   8,796.99x = 12,139.29 × 4,818.15
4. Step 4: Simplify right side
   8,796.99x = 58,488,920.11
5. Step 5: Solve for x
   x = 58,488,920.11/8,796.99
6. Step 6: Final answer
   x = 6,648.74