Finding the Fourth Proportional to 9,239.46, 12,752.01 and 5,260.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,239.46 : 12,752.01 = 5,260.05 : x
2. Step 2: Convert to fraction form
   9,239.46/12,752.01 = 5,260.05/x
3. Step 3: Cross multiply
   9,239.46x = 12,752.01 × 5,260.05
4. Step 4: Simplify right side
   9,239.46x = 67,076,210.20
5. Step 5: Solve for x
   x = 67,076,210.20/9,239.46
6. Step 6: Final answer
   x = 7,259.75