Finding the Fourth Proportional to 80,923.86, 121,173.12 and 65,044.62

Step by Step Solution

1. Step 1: Write the proportion equation
   80,923.86 : 121,173.12 = 65,044.62 : x
2. Step 2: Convert to fraction form
   80,923.86/121,173.12 = 65,044.62/x
3. Step 3: Cross multiply
   80,923.86x = 121,173.12 × 65,044.62
4. Step 4: Simplify right side
   80,923.86x = 7,881,659,544.61
5. Step 5: Solve for x
   x = 7,881,659,544.61/80,923.86
6. Step 6: Final answer
   x = 97,395.99