Finding the Fourth Proportional to 1,260.10, 1,738.78 and 700.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260.10 : 1,738.78 = 700.42 : x
2. Step 2: Convert to fraction form
   1,260.10/1,738.78 = 700.42/x
3. Step 3: Cross multiply
   1,260.10x = 1,738.78 × 700.42
4. Step 4: Simplify right side
   1,260.10x = 1,217,876.29
5. Step 5: Solve for x
   x = 1,217,876.29/1,260.10
6. Step 6: Final answer
   x = 966.49