Finding the Fourth Proportional to 1,168.34, 1,612.59 and 702.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.34 : 1,612.59 = 702.50 : x
2. Step 2: Convert to fraction form
   1,168.34/1,612.59 = 702.50/x
3. Step 3: Cross multiply
   1,168.34x = 1,612.59 × 702.50
4. Step 4: Simplify right side
   1,168.34x = 1,132,844.48
5. Step 5: Solve for x
   x = 1,132,844.48/1,168.34
6. Step 6: Final answer
   x = 969.62