Finding the Fourth Proportional to 1,095.39, 1,510.79 and 702.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095.39 : 1,510.79 = 702.45 : x
2. Step 2: Convert to fraction form
   1,095.39/1,510.79 = 702.45/x
3. Step 3: Cross multiply
   1,095.39x = 1,510.79 × 702.45
4. Step 4: Simplify right side
   1,095.39x = 1,061,250.92
5. Step 5: Solve for x
   x = 1,061,250.92/1,095.39
6. Step 6: Final answer
   x = 968.83