Finding the Fourth Proportional to 13,846.10, 20,756.86 and 5,078.99

Step by Step Solution

1. Step 1: Write the proportion equation
   13,846.10 : 20,756.86 = 5,078.99 : x
2. Step 2: Convert to fraction form
   13,846.10/20,756.86 = 5,078.99/x
3. Step 3: Cross multiply
   13,846.10x = 20,756.86 × 5,078.99
4. Step 4: Simplify right side
   13,846.10x = 105,423,923.57
5. Step 5: Solve for x
   x = 105,423,923.57/13,846.10
6. Step 6: Final answer
   x = 7,613.98