Finding the Fourth Proportional to 9,148.78, 12,625.94 and 5,565.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,148.78 : 12,625.94 = 5,565.14 : x
2. Step 2: Convert to fraction form
   9,148.78/12,625.94 = 5,565.14/x
3. Step 3: Cross multiply
   9,148.78x = 12,625.94 × 5,565.14
4. Step 4: Simplify right side
   9,148.78x = 70,265,123.73
5. Step 5: Solve for x
   x = 70,265,123.73/9,148.78
6. Step 6: Final answer
   x = 7,680.27