Finding the Fourth Proportional to 2,223.96, 3,331.38 and 1,248.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.96 : 3,331.38 = 1,248.01 : x
2. Step 2: Convert to fraction form
   2,223.96/3,331.38 = 1,248.01/x
3. Step 3: Cross multiply
   2,223.96x = 3,331.38 × 1,248.01
4. Step 4: Simplify right side
   2,223.96x = 4,157,584.89
5. Step 5: Solve for x
   x = 4,157,584.89/2,223.96
6. Step 6: Final answer
   x = 1,869.45