Finding the Fourth Proportional to 109,433.30, 150,992.24 and 66,411.82

Step by Step Solution

1. Step 1: Write the proportion equation
   109,433.30 : 150,992.24 = 66,411.82 : x
2. Step 2: Convert to fraction form
   109,433.30/150,992.24 = 66,411.82/x
3. Step 3: Cross multiply
   109,433.30x = 150,992.24 × 66,411.82
4. Step 4: Simplify right side
   109,433.30x = 10,027,669,745.62
5. Step 5: Solve for x
   x = 10,027,669,745.62/109,433.30
6. Step 6: Final answer
   x = 91,632.71