Finding the Fourth Proportional to 7,169.29, 9,900.15 and 5,397.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,169.29 : 9,900.15 = 5,397.82 : x
2. Step 2: Convert to fraction form
   7,169.29/9,900.15 = 5,397.82/x
3. Step 3: Cross multiply
   7,169.29x = 9,900.15 × 5,397.82
4. Step 4: Simplify right side
   7,169.29x = 53,439,227.67
5. Step 5: Solve for x
   x = 53,439,227.67/7,169.29
6. Step 6: Final answer
   x = 7,453.91