Finding the Fourth Proportional to 8,896.48, 12,275.89 and 5,118.21

Step by Step Solution

1. Step 1: Write the proportion equation
   8,896.48 : 12,275.89 = 5,118.21 : x
2. Step 2: Convert to fraction form
   8,896.48/12,275.89 = 5,118.21/x
3. Step 3: Cross multiply
   8,896.48x = 12,275.89 × 5,118.21
4. Step 4: Simplify right side
   8,896.48x = 62,830,582.96
5. Step 5: Solve for x
   x = 62,830,582.96/8,896.48
6. Step 6: Final answer
   x = 7,062.41