Finding the Fourth Proportional to 9,111.91, 13,666.85 and 2,448.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,111.91 : 13,666.85 = 2,448.98 : x
2. Step 2: Convert to fraction form
   9,111.91/13,666.85 = 2,448.98/x
3. Step 3: Cross multiply
   9,111.91x = 13,666.85 × 2,448.98
4. Step 4: Simplify right side
   9,111.91x = 33,469,761.73
5. Step 5: Solve for x
   x = 33,469,761.73/9,111.91
6. Step 6: Final answer
   x = 3,673.19