Finding the Fourth Proportional to 115,952.46, 160,011.56 and 64,967.32

Step by Step Solution

1. Step 1: Write the proportion equation
   115,952.46 : 160,011.56 = 64,967.32 : x
2. Step 2: Convert to fraction form
   115,952.46/160,011.56 = 64,967.32/x
3. Step 3: Cross multiply
   115,952.46x = 160,011.56 × 64,967.32
4. Step 4: Simplify right side
   115,952.46x = 10,395,522,222.22
5. Step 5: Solve for x
   x = 10,395,522,222.22/115,952.46
6. Step 6: Final answer
   x = 89,653.31