Finding the Fourth Proportional to 3,441.48, 5,158.89 and 1,248.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,441.48 : 5,158.89 = 1,248.72 : x
2. Step 2: Convert to fraction form
   3,441.48/5,158.89 = 1,248.72/x
3. Step 3: Cross multiply
   3,441.48x = 5,158.89 × 1,248.72
4. Step 4: Simplify right side
   3,441.48x = 6,442,009.12
5. Step 5: Solve for x
   x = 6,442,009.12/3,441.48
6. Step 6: Final answer
   x = 1,871.87