Finding the Fourth Proportional to 1,872.95, 2,584.25 and 1,086.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,872.95 : 2,584.25 = 1,086.54 : x
2. Step 2: Convert to fraction form
   1,872.95/2,584.25 = 1,086.54/x
3. Step 3: Cross multiply
   1,872.95x = 2,584.25 × 1,086.54
4. Step 4: Simplify right side
   1,872.95x = 2,807,893.33
5. Step 5: Solve for x
   x = 2,807,893.33/1,872.95
6. Step 6: Final answer
   x = 1,499.18