Finding the Fourth Proportional to 10,926.18, 15,078.15 and 5,958.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,926.18 : 15,078.15 = 5,958.18 : x
2. Step 2: Convert to fraction form
   10,926.18/15,078.15 = 5,958.18/x
3. Step 3: Cross multiply
   10,926.18x = 15,078.15 × 5,958.18
4. Step 4: Simplify right side
   10,926.18x = 89,838,331.77
5. Step 5: Solve for x
   x = 89,838,331.77/10,926.18
6. Step 6: Final answer
   x = 8,222.30