Finding the Fourth Proportional to 7,258.16, 10,016.43 and 5,137.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,258.16 : 10,016.43 = 5,137.49 : x
2. Step 2: Convert to fraction form
   7,258.16/10,016.43 = 5,137.49/x
3. Step 3: Cross multiply
   7,258.16x = 10,016.43 × 5,137.49
4. Step 4: Simplify right side
   7,258.16x = 51,459,308.96
5. Step 5: Solve for x
   x = 51,459,308.96/7,258.16
6. Step 6: Final answer
   x = 7,089.86