Finding the Fourth Proportional to 14,066.10, 19,411.38 and 7,778.34

Step by Step Solution

1. Step 1: Write the proportion equation
   14,066.10 : 19,411.38 = 7,778.34 : x
2. Step 2: Convert to fraction form
   14,066.10/19,411.38 = 7,778.34/x
3. Step 3: Cross multiply
   14,066.10x = 19,411.38 × 7,778.34
4. Step 4: Simplify right side
   14,066.10x = 150,988,313.51
5. Step 5: Solve for x
   x = 150,988,313.51/14,066.10
6. Step 6: Final answer
   x = 10,734.20