Finding the Fourth Proportional to 13,846.50, 20,775.83 and 7,271.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,846.50 : 20,775.83 = 7,271.15 : x
2. Step 2: Convert to fraction form
   13,846.50/20,775.83 = 7,271.15/x
3. Step 3: Cross multiply
   13,846.50x = 20,775.83 × 7,271.15
4. Step 4: Simplify right side
   13,846.50x = 151,064,036.07
5. Step 5: Solve for x
   x = 151,064,036.07/13,846.50
6. Step 6: Final answer
   x = 10,909.91