Finding the Fourth Proportional to 9,078.36, 12,527.82 and 5,547.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,078.36 : 12,527.82 = 5,547.48 : x
2. Step 2: Convert to fraction form
   9,078.36/12,527.82 = 5,547.48/x
3. Step 3: Cross multiply
   9,078.36x = 12,527.82 × 5,547.48
4. Step 4: Simplify right side
   9,078.36x = 69,497,830.89
5. Step 5: Solve for x
   x = 69,497,830.89/9,078.36
6. Step 6: Final answer
   x = 7,655.33