Finding the Fourth Proportional to 1,993.60, 2,987.97 and 1,746.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993.60 : 2,987.97 = 1,746.15 : x
2. Step 2: Convert to fraction form
   1,993.60/2,987.97 = 1,746.15/x
3. Step 3: Cross multiply
   1,993.60x = 2,987.97 × 1,746.15
4. Step 4: Simplify right side
   1,993.60x = 5,217,443.82
5. Step 5: Solve for x
   x = 5,217,443.82/1,993.60
6. Step 6: Final answer
   x = 2,617.10