Finding the Fourth Proportional to 2,288.04, 3,431.82 and 1,117.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.04 : 3,431.82 = 1,117.59 : x
2. Step 2: Convert to fraction form
   2,288.04/3,431.82 = 1,117.59/x
3. Step 3: Cross multiply
   2,288.04x = 3,431.82 × 1,117.59
4. Step 4: Simplify right side
   2,288.04x = 3,835,367.71
5. Step 5: Solve for x
   x = 3,835,367.71/2,288.04
6. Step 6: Final answer
   x = 1,676.27