Finding the Fourth Proportional to 14,066.32, 19,412.04 and 7,778.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,066.32 : 19,412.04 = 7,778.56 : x
2. Step 2: Convert to fraction form
   14,066.32/19,412.04 = 7,778.56/x
3. Step 3: Cross multiply
   14,066.32x = 19,412.04 × 7,778.56
4. Step 4: Simplify right side
   14,066.32x = 150,997,717.86
5. Step 5: Solve for x
   x = 150,997,717.86/14,066.32
6. Step 6: Final answer
   x = 10,734.70