Finding the Fourth Proportional to 8,846.32, 12,207.72 and 5,260.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,846.32 : 12,207.72 = 5,260.72 : x
2. Step 2: Convert to fraction form
   8,846.32/12,207.72 = 5,260.72/x
3. Step 3: Cross multiply
   8,846.32x = 12,207.72 × 5,260.72
4. Step 4: Simplify right side
   8,846.32x = 64,221,396.76
5. Step 5: Solve for x
   x = 64,221,396.76/8,846.32
6. Step 6: Final answer
   x = 7,259.67