Finding the Fourth Proportional to 13,847.18, 20,758.42 and 5,080.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,847.18 : 20,758.42 = 5,080.06 : x
2. Step 2: Convert to fraction form
   13,847.18/20,758.42 = 5,080.06/x
3. Step 3: Cross multiply
   13,847.18x = 20,758.42 × 5,080.06
4. Step 4: Simplify right side
   13,847.18x = 105,454,019.11
5. Step 5: Solve for x
   x = 105,454,019.11/13,847.18
6. Step 6: Final answer
   x = 7,615.56