Finding the Fourth Proportional to 110,393.63, 152,359.61 and 65,057.12

Step by Step Solution

1. Step 1: Write the proportion equation
   110,393.63 : 152,359.61 = 65,057.12 : x
2. Step 2: Convert to fraction form
   110,393.63/152,359.61 = 65,057.12/x
3. Step 3: Cross multiply
   110,393.63x = 152,359.61 × 65,057.12
4. Step 4: Simplify right side
   110,393.63x = 9,912,076,343.84
5. Step 5: Solve for x
   x = 9,912,076,343.84/110,393.63
6. Step 6: Final answer
   x = 89,788.49