Finding the Fourth Proportional to 115,751.27, 159,742.94 and 64,760.96

Step by Step Solution

1. Step 1: Write the proportion equation
   115,751.27 : 159,742.94 = 64,760.96 : x
2. Step 2: Convert to fraction form
   115,751.27/159,742.94 = 64,760.96/x
3. Step 3: Cross multiply
   115,751.27x = 159,742.94 × 64,760.96
4. Step 4: Simplify right side
   115,751.27x = 10,345,106,147.62
5. Step 5: Solve for x
   x = 10,345,106,147.62/115,751.27
6. Step 6: Final answer
   x = 89,373.59