Finding the Fourth Proportional to 8,799.34, 12,142.76 and 4,820.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,799.34 : 12,142.76 = 4,820.49 : x
2. Step 2: Convert to fraction form
   8,799.34/12,142.76 = 4,820.49/x
3. Step 3: Cross multiply
   8,799.34x = 12,142.76 × 4,820.49
4. Step 4: Simplify right side
   8,799.34x = 58,534,053.15
5. Step 5: Solve for x
   x = 58,534,053.15/8,799.34
6. Step 6: Final answer
   x = 6,652.10