Finding the Fourth Proportional to 2,764.59, 3,815.02 and 1,505.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,764.59 : 3,815.02 = 1,505.65 : x
2. Step 2: Convert to fraction form
   2,764.59/3,815.02 = 1,505.65/x
3. Step 3: Cross multiply
   2,764.59x = 3,815.02 × 1,505.65
4. Step 4: Simplify right side
   2,764.59x = 5,744,084.86
5. Step 5: Solve for x
   x = 5,744,084.86/2,764.59
6. Step 6: Final answer
   x = 2,077.73