Finding the Fourth Proportional to 109,728.96, 151,491.23 and 69,477.23

Step by Step Solution

1. Step 1: Write the proportion equation
   109,728.96 : 151,491.23 = 69,477.23 : x
2. Step 2: Convert to fraction form
   109,728.96/151,491.23 = 69,477.23/x
3. Step 3: Cross multiply
   109,728.96x = 151,491.23 × 69,477.23
4. Step 4: Simplify right side
   109,728.96x = 10,525,189,924.85
5. Step 5: Solve for x
   x = 10,525,189,924.85/109,728.96
6. Step 6: Final answer
   x = 95,919.89