Finding the Fourth Proportional to 2,480.42, 3,715.72 and 1,864.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,480.42 : 3,715.72 = 1,864.82 : x
2. Step 2: Convert to fraction form
   2,480.42/3,715.72 = 1,864.82/x
3. Step 3: Cross multiply
   2,480.42x = 3,715.72 × 1,864.82
4. Step 4: Simplify right side
   2,480.42x = 6,929,148.97
5. Step 5: Solve for x
   x = 6,929,148.97/2,480.42
6. Step 6: Final answer
   x = 2,793.54