Finding the Fourth Proportional to 102,894.24, 141,984.72 and 65,167.68

Step by Step Solution

1. Step 1: Write the proportion equation
   102,894.24 : 141,984.72 = 65,167.68 : x
2. Step 2: Convert to fraction form
   102,894.24/141,984.72 = 65,167.68/x
3. Step 3: Cross multiply
   102,894.24x = 141,984.72 × 65,167.68
4. Step 4: Simplify right side
   102,894.24x = 9,252,814,797.85
5. Step 5: Solve for x
   x = 9,252,814,797.85/102,894.24
6. Step 6: Final answer
   x = 89,925.49