Finding the Fourth Proportional to 2,483.40, 3,719.76 and 1,866.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.40 : 3,719.76 = 1,866.18 : x
2. Step 2: Convert to fraction form
   2,483.40/3,719.76 = 1,866.18/x
3. Step 3: Cross multiply
   2,483.40x = 3,719.76 × 1,866.18
4. Step 4: Simplify right side
   2,483.40x = 6,941,741.72
5. Step 5: Solve for x
   x = 6,941,741.72/2,483.40
6. Step 6: Final answer
   x = 2,795.26