Finding the Fourth Proportional to 5,590.71, 7,715.25 and 3,073.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,590.71 : 7,715.25 = 3,073.10 : x
2. Step 2: Convert to fraction form
   5,590.71/7,715.25 = 3,073.10/x
3. Step 3: Cross multiply
   5,590.71x = 7,715.25 × 3,073.10
4. Step 4: Simplify right side
   5,590.71x = 23,709,696.20
5. Step 5: Solve for x
   x = 23,709,696.20/5,590.71
6. Step 6: Final answer
   x = 4,240.91