Finding the Fourth Proportional to 14,066.60, 19,411.83 and 7,778.97

Step by Step Solution

1. Step 1: Write the proportion equation
   14,066.60 : 19,411.83 = 7,778.97 : x
2. Step 2: Convert to fraction form
   14,066.60/19,411.83 = 7,778.97/x
3. Step 3: Cross multiply
   14,066.60x = 19,411.83 × 7,778.97
4. Step 4: Simplify right side
   14,066.60x = 151,004,043.22
5. Step 5: Solve for x
   x = 151,004,043.22/14,066.60
6. Step 6: Final answer
   x = 10,734.94