Finding the Fourth Proportional to 2,480.52, 3,715.38 and 1,902.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,480.52 : 3,715.38 = 1,902.72 : x
2. Step 2: Convert to fraction form
   2,480.52/3,715.38 = 1,902.72/x
3. Step 3: Cross multiply
   2,480.52x = 3,715.38 × 1,902.72
4. Step 4: Simplify right side
   2,480.52x = 7,069,327.83
5. Step 5: Solve for x
   x = 7,069,327.83/2,480.52
6. Step 6: Final answer
   x = 2,849.94