Finding the Fourth Proportional to 2,510.39, 3,463.05 and 1,515.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.39 : 3,463.05 = 1,515.31 : x
2. Step 2: Convert to fraction form
   2,510.39/3,463.05 = 1,515.31/x
3. Step 3: Cross multiply
   2,510.39x = 3,463.05 × 1,515.31
4. Step 4: Simplify right side
   2,510.39x = 5,247,591.32
5. Step 5: Solve for x
   x = 5,247,591.32/2,510.39
6. Step 6: Final answer
   x = 2,090.35