Finding the Fourth Proportional to 9,436.76, 13,019.10 and 6,079.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,436.76 : 13,019.10 = 6,079.31 : x
2. Step 2: Convert to fraction form
   9,436.76/13,019.10 = 6,079.31/x
3. Step 3: Cross multiply
   9,436.76x = 13,019.10 × 6,079.31
4. Step 4: Simplify right side
   9,436.76x = 79,147,144.82
5. Step 5: Solve for x
   x = 79,147,144.82/9,436.76
6. Step 6: Final answer
   x = 8,387.11