Finding the Fourth Proportional to 8,359.16, 12,540.83 and 5,898.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,359.16 : 12,540.83 = 5,898.78 : x
2. Step 2: Convert to fraction form
   8,359.16/12,540.83 = 5,898.78/x
3. Step 3: Cross multiply
   8,359.16x = 12,540.83 × 5,898.78
4. Step 4: Simplify right side
   8,359.16x = 73,975,567.69
5. Step 5: Solve for x
   x = 73,975,567.69/8,359.16
6. Step 6: Final answer
   x = 8,849.65