Finding the Fourth Proportional to 3,672.57, 5,068.15 and 1,993.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.57 : 5,068.15 = 1,993.98 : x
2. Step 2: Convert to fraction form
   3,672.57/5,068.15 = 1,993.98/x
3. Step 3: Cross multiply
   3,672.57x = 5,068.15 × 1,993.98
4. Step 4: Simplify right side
   3,672.57x = 10,105,764.40
5. Step 5: Solve for x
   x = 10,105,764.40/3,672.57
6. Step 6: Final answer
   x = 2,751.69