Finding the Fourth Proportional to 2,191.95, 3,283.82 and 1,702.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.95 : 3,283.82 = 1,702.61 : x
2. Step 2: Convert to fraction form
   2,191.95/3,283.82 = 1,702.61/x
3. Step 3: Cross multiply
   2,191.95x = 3,283.82 × 1,702.61
4. Step 4: Simplify right side
   2,191.95x = 5,591,064.77
5. Step 5: Solve for x
   x = 5,591,064.77/2,191.95
6. Step 6: Final answer
   x = 2,550.73