Finding the Fourth Proportional to 7,258.40, 10,900.37 and 7,154.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,258.40 : 10,900.37 = 7,154.52 : x
2. Step 2: Convert to fraction form
   7,258.40/10,900.37 = 7,154.52/x
3. Step 3: Cross multiply
   7,258.40x = 10,900.37 × 7,154.52
4. Step 4: Simplify right side
   7,258.40x = 77,986,915.17
5. Step 5: Solve for x
   x = 77,986,915.17/7,258.40
6. Step 6: Final answer
   x = 10,744.37