Finding the Fourth Proportional to 2,658.18, 3,671.01 and 1,993.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658.18 : 3,671.01 = 1,993.98 : x
2. Step 2: Convert to fraction form
   2,658.18/3,671.01 = 1,993.98/x
3. Step 3: Cross multiply
   2,658.18x = 3,671.01 × 1,993.98
4. Step 4: Simplify right side
   2,658.18x = 7,319,920.52
5. Step 5: Solve for x
   x = 7,319,920.52/2,658.18
6. Step 6: Final answer
   x = 2,753.73