Finding the Fourth Proportional to 1,870.24, 2,580.72 and 1,084

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.24 : 2,580.72 = 1,084 : x
2. Step 2: Convert to fraction form
   1,870.24/2,580.72 = 1,084/x
3. Step 3: Cross multiply
   1,870.24x = 2,580.72 × 1,084
4. Step 4: Simplify right side
   1,870.24x = 2,797,500.48
5. Step 5: Solve for x
   x = 2,797,500.48/1,870.24
6. Step 6: Final answer
   x = 1,495.80