Finding the Fourth Proportional to 2,767.88, 4,148.37 and 1,381.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,767.88 : 4,148.37 = 1,381.62 : x
2. Step 2: Convert to fraction form
   2,767.88/4,148.37 = 1,381.62/x
3. Step 3: Cross multiply
   2,767.88x = 4,148.37 × 1,381.62
4. Step 4: Simplify right side
   2,767.88x = 5,731,443.31
5. Step 5: Solve for x
   x = 5,731,443.31/2,767.88
6. Step 6: Final answer
   x = 2,070.70