Finding the Fourth Proportional to 1,194.72, 1,789.20 and 706.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,194.72 : 1,789.20 = 706.56 : x
2. Step 2: Convert to fraction form
   1,194.72/1,789.20 = 706.56/x
3. Step 3: Cross multiply
   1,194.72x = 1,789.20 × 706.56
4. Step 4: Simplify right side
   1,194.72x = 1,264,177.15
5. Step 5: Solve for x
   x = 1,264,177.15/1,194.72
6. Step 6: Final answer
   x = 1,058.14