Finding the Fourth Proportional to 116,351.31, 160,564.83 and 64,668.41

Step by Step Solution

1. Step 1: Write the proportion equation
   116,351.31 : 160,564.83 = 64,668.41 : x
2. Step 2: Convert to fraction form
   116,351.31/160,564.83 = 64,668.41/x
3. Step 3: Cross multiply
   116,351.31x = 160,564.83 × 64,668.41
4. Step 4: Simplify right side
   116,351.31x = 10,383,471,814.81
5. Step 5: Solve for x
   x = 10,383,471,814.81/116,351.31
6. Step 6: Final answer
   x = 89,242.41