Finding the Fourth Proportional to 12,965.32, 19,441.06 and 4,079

Step by Step Solution

1. Step 1: Write the proportion equation
   12,965.32 : 19,441.06 = 4,079 : x
2. Step 2: Convert to fraction form
   12,965.32/19,441.06 = 4,079/x
3. Step 3: Cross multiply
   12,965.32x = 19,441.06 × 4,079
4. Step 4: Simplify right side
   12,965.32x = 79,300,083.74
5. Step 5: Solve for x
   x = 79,300,083.74/12,965.32
6. Step 6: Final answer
   x = 6,116.32