Finding the Fourth Proportional to 2,766.86, 3,818.17 and 1,507.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.86 : 3,818.17 = 1,507.89 : x
2. Step 2: Convert to fraction form
   2,766.86/3,818.17 = 1,507.89/x
3. Step 3: Cross multiply
   2,766.86x = 3,818.17 × 1,507.89
4. Step 4: Simplify right side
   2,766.86x = 5,757,380.36
5. Step 5: Solve for x
   x = 5,757,380.36/2,766.86
6. Step 6: Final answer
   x = 2,080.84