Finding the Fourth Proportional to 13,844.58, 20,769.59 and 5,079.57

Step by Step Solution

1. Step 1: Write the proportion equation
   13,844.58 : 20,769.59 = 5,079.57 : x
2. Step 2: Convert to fraction form
   13,844.58/20,769.59 = 5,079.57/x
3. Step 3: Cross multiply
   13,844.58x = 20,769.59 × 5,079.57
4. Step 4: Simplify right side
   13,844.58x = 105,500,586.28
5. Step 5: Solve for x
   x = 105,500,586.28/13,844.58
6. Step 6: Final answer
   x = 7,620.35