Finding the Fourth Proportional to 9,011.25, 12,434.67 and 5,234.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,011.25 : 12,434.67 = 5,234.32 : x
2. Step 2: Convert to fraction form
   9,011.25/12,434.67 = 5,234.32/x
3. Step 3: Cross multiply
   9,011.25x = 12,434.67 × 5,234.32
4. Step 4: Simplify right side
   9,011.25x = 65,087,010.79
5. Step 5: Solve for x
   x = 65,087,010.79/9,011.25
6. Step 6: Final answer
   x = 7,222.86