Finding the Fourth Proportional to 109,066.42, 150,450.19 and 65,447.69

Step by Step Solution

1. Step 1: Write the proportion equation
   109,066.42 : 150,450.19 = 65,447.69 : x
2. Step 2: Convert to fraction form
   109,066.42/150,450.19 = 65,447.69/x
3. Step 3: Cross multiply
   109,066.42x = 150,450.19 × 65,447.69
4. Step 4: Simplify right side
   109,066.42x = 9,846,617,395.56
5. Step 5: Solve for x
   x = 9,846,617,395.56/109,066.42
6. Step 6: Final answer
   x = 90,280.93