Finding the Fourth Proportional to 1,262.08, 1,741.72 and 702.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262.08 : 1,741.72 = 702.56 : x
2. Step 2: Convert to fraction form
   1,262.08/1,741.72 = 702.56/x
3. Step 3: Cross multiply
   1,262.08x = 1,741.72 × 702.56
4. Step 4: Simplify right side
   1,262.08x = 1,223,662.80
5. Step 5: Solve for x
   x = 1,223,662.80/1,262.08
6. Step 6: Final answer
   x = 969.56