Finding the Fourth Proportional to 5,258.16, 7,255.98 and 3,136.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,258.16 : 7,255.98 = 3,136.10 : x
2. Step 2: Convert to fraction form
   5,258.16/7,255.98 = 3,136.10/x
3. Step 3: Cross multiply
   5,258.16x = 7,255.98 × 3,136.10
4. Step 4: Simplify right side
   5,258.16x = 22,755,442.60
5. Step 5: Solve for x
   x = 22,755,442.60/5,258.16
6. Step 6: Final answer
   x = 4,327.64