Finding the Fourth Proportional to 2,547.75, 3,515.91 and 1,500.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,547.75 : 3,515.91 = 1,500.42 : x
2. Step 2: Convert to fraction form
   2,547.75/3,515.91 = 1,500.42/x
3. Step 3: Cross multiply
   2,547.75x = 3,515.91 × 1,500.42
4. Step 4: Simplify right side
   2,547.75x = 5,275,341.68
5. Step 5: Solve for x
   x = 5,275,341.68/2,547.75
6. Step 6: Final answer
   x = 2,070.59