Finding the Fourth Proportional to 1,842.35, 2,542.52 and 1,086.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,842.35 : 2,542.52 = 1,086.55 : x
2. Step 2: Convert to fraction form
   1,842.35/2,542.52 = 1,086.55/x
3. Step 3: Cross multiply
   1,842.35x = 2,542.52 × 1,086.55
4. Step 4: Simplify right side
   1,842.35x = 2,762,571.47
5. Step 5: Solve for x
   x = 2,762,571.47/1,842.35
6. Step 6: Final answer
   x = 1,499.49