Finding the Fourth Proportional to 12,148.58, 18,216.56 and 5,569.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,148.58 : 18,216.56 = 5,569.10 : x
2. Step 2: Convert to fraction form
   12,148.58/18,216.56 = 5,569.10/x
3. Step 3: Cross multiply
   12,148.58x = 18,216.56 × 5,569.10
4. Step 4: Simplify right side
   12,148.58x = 101,449,767.14
5. Step 5: Solve for x
   x = 101,449,767.14/12,148.58
6. Step 6: Final answer
   x = 8,350.75