Finding the Fourth Proportional to 9,050.24, 12,491.34 and 5,512.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,050.24 : 12,491.34 = 5,512.70 : x
2. Step 2: Convert to fraction form
   9,050.24/12,491.34 = 5,512.70/x
3. Step 3: Cross multiply
   9,050.24x = 12,491.34 × 5,512.70
4. Step 4: Simplify right side
   9,050.24x = 68,861,010.02
5. Step 5: Solve for x
   x = 68,861,010.02/9,050.24
6. Step 6: Final answer
   x = 7,608.75