Finding the Fourth Proportional to 7,958.63, 10,994.12 and 7,538.26

Step by Step Solution

1. Step 1: Write the proportion equation
   7,958.63 : 10,994.12 = 7,538.26 : x
2. Step 2: Convert to fraction form
   7,958.63/10,994.12 = 7,538.26/x
3. Step 3: Cross multiply
   7,958.63x = 10,994.12 × 7,538.26
4. Step 4: Simplify right side
   7,958.63x = 82,876,535.03
5. Step 5: Solve for x
   x = 82,876,535.03/7,958.63
6. Step 6: Final answer
   x = 10,413.42