Finding the Fourth Proportional to 2,654.84, 3,981.12 and 1,337.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.84 : 3,981.12 = 1,337.78 : x
2. Step 2: Convert to fraction form
   2,654.84/3,981.12 = 1,337.78/x
3. Step 3: Cross multiply
   2,654.84x = 3,981.12 × 1,337.78
4. Step 4: Simplify right side
   2,654.84x = 5,325,867.65
5. Step 5: Solve for x
   x = 5,325,867.65/2,654.84
6. Step 6: Final answer
   x = 2,006.10