Finding the Fourth Proportional to 109,911.30, 151,629.42 and 64,568.82

Step by Step Solution

1. Step 1: Write the proportion equation
   109,911.30 : 151,629.42 = 64,568.82 : x
2. Step 2: Convert to fraction form
   109,911.30/151,629.42 = 64,568.82/x
3. Step 3: Cross multiply
   109,911.30x = 151,629.42 × 64,568.82
4. Step 4: Simplify right side
   109,911.30x = 9,790,532,726.68
5. Step 5: Solve for x
   x = 9,790,532,726.68/109,911.30
6. Step 6: Final answer
   x = 89,076.67