Finding the Fourth Proportional to 1,094.78, 1,511.62 and 702.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.78 : 1,511.62 = 702.02 : x
2. Step 2: Convert to fraction form
   1,094.78/1,511.62 = 702.02/x
3. Step 3: Cross multiply
   1,094.78x = 1,511.62 × 702.02
4. Step 4: Simplify right side
   1,094.78x = 1,061,187.47
5. Step 5: Solve for x
   x = 1,061,187.47/1,094.78
6. Step 6: Final answer
   x = 969.32