Finding the Fourth Proportional to 110,965.78, 153,132.72 and 60,664.78

Step by Step Solution

1. Step 1: Write the proportion equation
   110,965.78 : 153,132.72 = 60,664.78 : x
2. Step 2: Convert to fraction form
   110,965.78/153,132.72 = 60,664.78/x
3. Step 3: Cross multiply
   110,965.78x = 153,132.72 × 60,664.78
4. Step 4: Simplify right side
   110,965.78x = 9,289,762,769.60
5. Step 5: Solve for x
   x = 9,289,762,769.60/110,965.78
6. Step 6: Final answer
   x = 83,717.37