Finding the Fourth Proportional to 10,081.70, 13,914.17 and 7,258.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,081.70 : 13,914.17 = 7,258.43 : x
2. Step 2: Convert to fraction form
   10,081.70/13,914.17 = 7,258.43/x
3. Step 3: Cross multiply
   10,081.70x = 13,914.17 × 7,258.43
4. Step 4: Simplify right side
   10,081.70x = 100,995,028.95
5. Step 5: Solve for x
   x = 100,995,028.95/10,081.70
6. Step 6: Final answer
   x = 10,017.66