Finding the Fourth Proportional to 8,443.07, 12,665.15 and 3,248.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443.07 : 12,665.15 = 3,248.94 : x
2. Step 2: Convert to fraction form
   8,443.07/12,665.15 = 3,248.94/x
3. Step 3: Cross multiply
   8,443.07x = 12,665.15 × 3,248.94
4. Step 4: Simplify right side
   8,443.07x = 41,148,296.20
5. Step 5: Solve for x
   x = 41,148,296.20/8,443.07
6. Step 6: Final answer
   x = 4,873.62