Finding the Fourth Proportional to 1,501.48, 2,249.49 and 1,107.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.48 : 2,249.49 = 1,107.15 : x
2. Step 2: Convert to fraction form
   1,501.48/2,249.49 = 1,107.15/x
3. Step 3: Cross multiply
   1,501.48x = 2,249.49 × 1,107.15
4. Step 4: Simplify right side
   1,501.48x = 2,490,518.57
5. Step 5: Solve for x
   x = 2,490,518.57/1,501.48
6. Step 6: Final answer
   x = 1,658.71