Finding the Fourth Proportional to 2,702.79, 3,728.91 and 1,523.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,702.79 : 3,728.91 = 1,523.61 : x
2. Step 2: Convert to fraction form
   2,702.79/3,728.91 = 1,523.61/x
3. Step 3: Cross multiply
   2,702.79x = 3,728.91 × 1,523.61
4. Step 4: Simplify right side
   2,702.79x = 5,681,404.57
5. Step 5: Solve for x
   x = 5,681,404.57/2,702.79
6. Step 6: Final answer
   x = 2,102.05