Finding the Fourth Proportional to 9,117.68, 12,581.69 and 5,340.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,117.68 : 12,581.69 = 5,340.33 : x
2. Step 2: Convert to fraction form
   9,117.68/12,581.69 = 5,340.33/x
3. Step 3: Cross multiply
   9,117.68x = 12,581.69 × 5,340.33
4. Step 4: Simplify right side
   9,117.68x = 67,190,349.86
5. Step 5: Solve for x
   x = 67,190,349.86/9,117.68
6. Step 6: Final answer
   x = 7,369.24