Finding the Fourth Proportional to 9,011.17, 12,434.88 and 5,234.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,011.17 : 12,434.88 = 5,234.07 : x
2. Step 2: Convert to fraction form
   9,011.17/12,434.88 = 5,234.07/x
3. Step 3: Cross multiply
   9,011.17x = 12,434.88 × 5,234.07
4. Step 4: Simplify right side
   9,011.17x = 65,085,032.36
5. Step 5: Solve for x
   x = 65,085,032.36/9,011.17
6. Step 6: Final answer
   x = 7,222.71