Finding the Fourth Proportional to 1,993.98, 2,752.62 and 1,248.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993.98 : 2,752.62 = 1,248.42 : x
2. Step 2: Convert to fraction form
   1,993.98/2,752.62 = 1,248.42/x
3. Step 3: Cross multiply
   1,993.98x = 2,752.62 × 1,248.42
4. Step 4: Simplify right side
   1,993.98x = 3,436,425.86
5. Step 5: Solve for x
   x = 3,436,425.86/1,993.98
6. Step 6: Final answer
   x = 1,723.40