Finding the Fourth Proportional to 2,547.09, 3,818.31 and 1,159.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,547.09 : 3,818.31 = 1,159.68 : x
2. Step 2: Convert to fraction form
   2,547.09/3,818.31 = 1,159.68/x
3. Step 3: Cross multiply
   2,547.09x = 3,818.31 × 1,159.68
4. Step 4: Simplify right side
   2,547.09x = 4,428,017.74
5. Step 5: Solve for x
   x = 4,428,017.74/2,547.09
6. Step 6: Final answer
   x = 1,738.46