Finding the Fourth Proportional to 8,359.53, 12,538.14 and 5,853.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,359.53 : 12,538.14 = 5,853.12 : x
2. Step 2: Convert to fraction form
   8,359.53/12,538.14 = 5,853.12/x
3. Step 3: Cross multiply
   8,359.53x = 12,538.14 × 5,853.12
4. Step 4: Simplify right side
   8,359.53x = 73,387,238.00
5. Step 5: Solve for x
   x = 73,387,238.00/8,359.53
6. Step 6: Final answer
   x = 8,778.87