Finding the Fourth Proportional to 2,547.09, 3,516.71 and 1,591.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,547.09 : 3,516.71 = 1,591.47 : x
2. Step 2: Convert to fraction form
   2,547.09/3,516.71 = 1,591.47/x
3. Step 3: Cross multiply
   2,547.09x = 3,516.71 × 1,591.47
4. Step 4: Simplify right side
   2,547.09x = 5,596,712.92
5. Step 5: Solve for x
   x = 5,596,712.92/2,547.09
6. Step 6: Final answer
   x = 2,197.30