Finding the Fourth Proportional to 2,547.18, 3,515.67 and 1,552.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,547.18 : 3,515.67 = 1,552.50 : x
2. Step 2: Convert to fraction form
   2,547.18/3,515.67 = 1,552.50/x
3. Step 3: Cross multiply
   2,547.18x = 3,515.67 × 1,552.50
4. Step 4: Simplify right side
   2,547.18x = 5,458,077.68
5. Step 5: Solve for x
   x = 5,458,077.68/2,547.18
6. Step 6: Final answer
   x = 2,142.79