Finding the Fourth Proportional to 9,139.52, 12,612.35 and 5,995.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,139.52 : 12,612.35 = 5,995.50 : x
2. Step 2: Convert to fraction form
   9,139.52/12,612.35 = 5,995.50/x
3. Step 3: Cross multiply
   9,139.52x = 12,612.35 × 5,995.50
4. Step 4: Simplify right side
   9,139.52x = 75,617,314.45
5. Step 5: Solve for x
   x = 75,617,314.45/9,139.52
6. Step 6: Final answer
   x = 8,273.67