Finding the Fourth Proportional to 1,803.25, 2,702.56 and 866.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,803.25 : 2,702.56 = 866.62 : x
2. Step 2: Convert to fraction form
   1,803.25/2,702.56 = 866.62/x
3. Step 3: Cross multiply
   1,803.25x = 2,702.56 × 866.62
4. Step 4: Simplify right side
   1,803.25x = 2,342,092.55
5. Step 5: Solve for x
   x = 2,342,092.55/1,803.25
6. Step 6: Final answer
   x = 1,298.82