Finding the Fourth Proportional to 8,778.38, 12,114.16 and 4,799.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,778.38 : 12,114.16 = 4,799.52 : x
2. Step 2: Convert to fraction form
   8,778.38/12,114.16 = 4,799.52/x
3. Step 3: Cross multiply
   8,778.38x = 12,114.16 × 4,799.52
4. Step 4: Simplify right side
   8,778.38x = 58,142,090.10
5. Step 5: Solve for x
   x = 58,142,090.10/8,778.38
6. Step 6: Final answer
   x = 6,623.33