Finding the Fourth Proportional to 1,993.96, 2,752.96 and 1,870.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993.96 : 2,752.96 = 1,870.04 : x
2. Step 2: Convert to fraction form
   1,993.96/2,752.96 = 1,870.04/x
3. Step 3: Cross multiply
   1,993.96x = 2,752.96 × 1,870.04
4. Step 4: Simplify right side
   1,993.96x = 5,148,145.32
5. Step 5: Solve for x
   x = 5,148,145.32/1,993.96
6. Step 6: Final answer
   x = 2,581.87