Finding the Fourth Proportional to 1,702.78, 2,348.52 and 1,143.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,702.78 : 2,348.52 = 1,143.06 : x
2. Step 2: Convert to fraction form
   1,702.78/2,348.52 = 1,143.06/x
3. Step 3: Cross multiply
   1,702.78x = 2,348.52 × 1,143.06
4. Step 4: Simplify right side
   1,702.78x = 2,684,499.27
5. Step 5: Solve for x
   x = 2,684,499.27/1,702.78
6. Step 6: Final answer
   x = 1,576.54