Finding the Fourth Proportional to 2,547.78, 3,516.06 and 1,552.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,547.78 : 3,516.06 = 1,552.89 : x
2. Step 2: Convert to fraction form
   2,547.78/3,516.06 = 1,552.89/x
3. Step 3: Cross multiply
   2,547.78x = 3,516.06 × 1,552.89
4. Step 4: Simplify right side
   2,547.78x = 5,460,054.41
5. Step 5: Solve for x
   x = 5,460,054.41/2,547.78
6. Step 6: Final answer
   x = 2,143.06