Finding the Fourth Proportional to 2,222.16, 3,330.48 and 1,248.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.16 : 3,330.48 = 1,248.96 : x
2. Step 2: Convert to fraction form
   2,222.16/3,330.48 = 1,248.96/x
3. Step 3: Cross multiply
   2,222.16x = 3,330.48 × 1,248.96
4. Step 4: Simplify right side
   2,222.16x = 4,159,636.30
5. Step 5: Solve for x
   x = 4,159,636.30/2,222.16
6. Step 6: Final answer
   x = 1,871.89