Finding the Fourth Proportional to 10,491.57, 14,480.51 and 7,319.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,491.57 : 14,480.51 = 7,319.61 : x
2. Step 2: Convert to fraction form
   10,491.57/14,480.51 = 7,319.61/x
3. Step 3: Cross multiply
   10,491.57x = 14,480.51 × 7,319.61
4. Step 4: Simplify right side
   10,491.57x = 105,991,649.20
5. Step 5: Solve for x
   x = 105,991,649.20/10,491.57
6. Step 6: Final answer
   x = 10,102.55