Finding the Fourth Proportional to 13,926.56, 19,219.67 and 7,958.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,926.56 : 19,219.67 = 7,958.10 : x
2. Step 2: Convert to fraction form
   13,926.56/19,219.67 = 7,958.10/x
3. Step 3: Cross multiply
   13,926.56x = 19,219.67 × 7,958.10
4. Step 4: Simplify right side
   13,926.56x = 152,952,016.04
5. Step 5: Solve for x
   x = 152,952,016.04/13,926.56
6. Step 6: Final answer
   x = 10,982.76