Finding the Fourth Proportional to 2,547.91, 3,516.42 and 1,553.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,547.91 : 3,516.42 = 1,553.33 : x
2. Step 2: Convert to fraction form
   2,547.91/3,516.42 = 1,553.33/x
3. Step 3: Cross multiply
   2,547.91x = 3,516.42 × 1,553.33
4. Step 4: Simplify right side
   2,547.91x = 5,462,160.68
5. Step 5: Solve for x
   x = 5,462,160.68/2,547.91
6. Step 6: Final answer
   x = 2,143.78