Finding the Fourth Proportional to 2,617.45, 3,610.46 and 1,870.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.45 : 3,610.46 = 1,870.10 : x
2. Step 2: Convert to fraction form
   2,617.45/3,610.46 = 1,870.10/x
3. Step 3: Cross multiply
   2,617.45x = 3,610.46 × 1,870.10
4. Step 4: Simplify right side
   2,617.45x = 6,751,941.72
5. Step 5: Solve for x
   x = 6,751,941.72/2,617.45
6. Step 6: Final answer
   x = 2,579.59