Finding the Fourth Proportional to 14,151.72, 19,529.41 and 7,778.96

Step by Step Solution

1. Step 1: Write the proportion equation
   14,151.72 : 19,529.41 = 7,778.96 : x
2. Step 2: Convert to fraction form
   14,151.72/19,529.41 = 7,778.96/x
3. Step 3: Cross multiply
   14,151.72x = 19,529.41 × 7,778.96
4. Step 4: Simplify right side
   14,151.72x = 151,918,448.06
5. Step 5: Solve for x
   x = 151,918,448.06/14,151.72
6. Step 6: Final answer
   x = 10,734.98