Finding the Fourth Proportional to 10,843.74, 14,978.12 and 8,015.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,843.74 : 14,978.12 = 8,015.22 : x
2. Step 2: Convert to fraction form
   10,843.74/14,978.12 = 8,015.22/x
3. Step 3: Cross multiply
   10,843.74x = 14,978.12 × 8,015.22
4. Step 4: Simplify right side
   10,843.74x = 120,052,886.91
5. Step 5: Solve for x
   x = 120,052,886.91/10,843.74
6. Step 6: Final answer
   x = 11,071.17