Finding the Fourth Proportional to 5,495.88, 7,582.43 and 3,105.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,495.88 : 7,582.43 = 3,105.57 : x
2. Step 2: Convert to fraction form
   5,495.88/7,582.43 = 3,105.57/x
3. Step 3: Cross multiply
   5,495.88x = 7,582.43 × 3,105.57
4. Step 4: Simplify right side
   5,495.88x = 23,547,751.61
5. Step 5: Solve for x
   x = 23,547,751.61/5,495.88
6. Step 6: Final answer
   x = 4,284.62