Finding the Fourth Proportional to 8,799.05, 12,142.68 and 5,023.40

Step by Step Solution

1. Step 1: Write the proportion equation
   8,799.05 : 12,142.68 = 5,023.40 : x
2. Step 2: Convert to fraction form
   8,799.05/12,142.68 = 5,023.40/x
3. Step 3: Cross multiply
   8,799.05x = 12,142.68 × 5,023.40
4. Step 4: Simplify right side
   8,799.05x = 60,997,533.31
5. Step 5: Solve for x
   x = 60,997,533.31/8,799.05
6. Step 6: Final answer
   x = 6,932.29