Finding the Fourth Proportional to 13,846.12, 20,778.28 and 5,081.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,846.12 : 20,778.28 = 5,081.10 : x
2. Step 2: Convert to fraction form
   13,846.12/20,778.28 = 5,081.10/x
3. Step 3: Cross multiply
   13,846.12x = 20,778.28 × 5,081.10
4. Step 4: Simplify right side
   13,846.12x = 105,576,518.51
5. Step 5: Solve for x
   x = 105,576,518.51/13,846.12
6. Step 6: Final answer
   x = 7,624.99