Finding the Fourth Proportional to 110,164.80, 164,919.15 and 65,768.70

Step by Step Solution

1. Step 1: Write the proportion equation
   110,164.80 : 164,919.15 = 65,768.70 : x
2. Step 2: Convert to fraction form
   110,164.80/164,919.15 = 65,768.70/x
3. Step 3: Cross multiply
   110,164.80x = 164,919.15 × 65,768.70
4. Step 4: Simplify right side
   110,164.80x = 10,846,518,100.61
5. Step 5: Solve for x
   x = 10,846,518,100.61/110,164.80
6. Step 6: Final answer
   x = 98,457.20