Finding the Fourth Proportional to 2,510.66, 3,464.80 and 1,515.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.66 : 3,464.80 = 1,515.74 : x
2. Step 2: Convert to fraction form
   2,510.66/3,464.80 = 1,515.74/x
3. Step 3: Cross multiply
   2,510.66x = 3,464.80 × 1,515.74
4. Step 4: Simplify right side
   2,510.66x = 5,251,740.82
5. Step 5: Solve for x
   x = 5,251,740.82/2,510.66
6. Step 6: Final answer
   x = 2,091.78