Finding the Fourth Proportional to 1,255.82, 1,884.07 and 606.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,255.82 : 1,884.07 = 606.55 : x
2. Step 2: Convert to fraction form
   1,255.82/1,884.07 = 606.55/x
3. Step 3: Cross multiply
   1,255.82x = 1,884.07 × 606.55
4. Step 4: Simplify right side
   1,255.82x = 1,142,781.90
5. Step 5: Solve for x
   x = 1,142,781.90/1,255.82
6. Step 6: Final answer
   x = 909.99