Finding the Fourth Proportional to 2,981.72, 4,108.38 and 2,448.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981.72 : 4,108.38 = 2,448.78 : x
2. Step 2: Convert to fraction form
   2,981.72/4,108.38 = 2,448.78/x
3. Step 3: Cross multiply
   2,981.72x = 4,108.38 × 2,448.78
4. Step 4: Simplify right side
   2,981.72x = 10,060,518.78
5. Step 5: Solve for x
   x = 10,060,518.78/2,981.72
6. Step 6: Final answer
   x = 3,374.07