Finding the Fourth Proportional to 1,255.24, 1,880.42 and 606.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,255.24 : 1,880.42 = 606.43 : x
2. Step 2: Convert to fraction form
   1,255.24/1,880.42 = 606.43/x
3. Step 3: Cross multiply
   1,255.24x = 1,880.42 × 606.43
4. Step 4: Simplify right side
   1,255.24x = 1,140,343.10
5. Step 5: Solve for x
   x = 1,140,343.10/1,255.24
6. Step 6: Final answer
   x = 908.47