Finding the Fourth Proportional to 2,702.05, 3,728.61 and 1,522.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,702.05 : 3,728.61 = 1,522.90 : x
2. Step 2: Convert to fraction form
   2,702.05/3,728.61 = 1,522.90/x
3. Step 3: Cross multiply
   2,702.05x = 3,728.61 × 1,522.90
4. Step 4: Simplify right side
   2,702.05x = 5,678,300.17
5. Step 5: Solve for x
   x = 5,678,300.17/2,702.05
6. Step 6: Final answer
   x = 2,101.48