Finding the Fourth Proportional to 107,096.54, 147,797.01 and 64,646.78

Step by Step Solution

1. Step 1: Write the proportion equation
   107,096.54 : 147,797.01 = 64,646.78 : x
2. Step 2: Convert to fraction form
   107,096.54/147,797.01 = 64,646.78/x
3. Step 3: Cross multiply
   107,096.54x = 147,797.01 × 64,646.78
4. Step 4: Simplify right side
   107,096.54x = 9,554,600,790.13
5. Step 5: Solve for x
   x = 9,554,600,790.13/107,096.54
6. Step 6: Final answer
   x = 89,214.84