Finding the Fourth Proportional to 1,255.42, 1,883.16 and 706.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,255.42 : 1,883.16 = 706.42 : x
2. Step 2: Convert to fraction form
   1,255.42/1,883.16 = 706.42/x
3. Step 3: Cross multiply
   1,255.42x = 1,883.16 × 706.42
4. Step 4: Simplify right side
   1,255.42x = 1,330,301.89
5. Step 5: Solve for x
   x = 1,330,301.89/1,255.42
6. Step 6: Final answer
   x = 1,059.65