Finding the Fourth Proportional to 107,017.92, 147,685.82 and 64,568.25

Step by Step Solution

1. Step 1: Write the proportion equation
   107,017.92 : 147,685.82 = 64,568.25 : x
2. Step 2: Convert to fraction form
   107,017.92/147,685.82 = 64,568.25/x
3. Step 3: Cross multiply
   107,017.92x = 147,685.82 × 64,568.25
4. Step 4: Simplify right side
   107,017.92x = 9,535,814,624.37
5. Step 5: Solve for x
   x = 9,535,814,624.37/107,017.92
6. Step 6: Final answer
   x = 89,104.84