Finding the Fourth Proportional to 14,055.86, 19,396.89 and 7,768.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,055.86 : 19,396.89 = 7,768.10 : x
2. Step 2: Convert to fraction form
   14,055.86/19,396.89 = 7,768.10/x
3. Step 3: Cross multiply
   14,055.86x = 19,396.89 × 7,768.10
4. Step 4: Simplify right side
   14,055.86x = 150,676,981.21
5. Step 5: Solve for x
   x = 150,676,981.21/14,055.86
6. Step 6: Final answer
   x = 10,719.87