Finding the Fourth Proportional to 13,258.53, 18,296.82 and 7,290.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,258.53 : 18,296.82 = 7,290.27 : x
2. Step 2: Convert to fraction form
   13,258.53/18,296.82 = 7,290.27/x
3. Step 3: Cross multiply
   13,258.53x = 18,296.82 × 7,290.27
4. Step 4: Simplify right side
   13,258.53x = 133,388,757.94
5. Step 5: Solve for x
   x = 133,388,757.94/13,258.53
6. Step 6: Final answer
   x = 10,060.60