Finding the Fourth Proportional to 8,106.96, 12,150.74 and 5,297.14

Step by Step Solution

1. Step 1: Write the proportion equation
   8,106.96 : 12,150.74 = 5,297.14 : x
2. Step 2: Convert to fraction form
   8,106.96/12,150.74 = 5,297.14/x
3. Step 3: Cross multiply
   8,106.96x = 12,150.74 × 5,297.14
4. Step 4: Simplify right side
   8,106.96x = 64,364,199.31
5. Step 5: Solve for x
   x = 64,364,199.31/8,106.96
6. Step 6: Final answer
   x = 7,939.37