Finding the Fourth Proportional to 14,064.94, 19,408.90 and 7,776.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,064.94 : 19,408.90 = 7,776.10 : x
2. Step 2: Convert to fraction form
   14,064.94/19,408.90 = 7,776.10/x
3. Step 3: Cross multiply
   14,064.94x = 19,408.90 × 7,776.10
4. Step 4: Simplify right side
   14,064.94x = 150,925,411.37
5. Step 5: Solve for x
   x = 150,925,411.37/14,064.94
6. Step 6: Final answer
   x = 10,730.62