Finding the Fourth Proportional to 65,214.50, 89,794.49 and 50,932.02

Step by Step Solution

1. Step 1: Write the proportion equation
   65,214.50 : 89,794.49 = 50,932.02 : x
2. Step 2: Convert to fraction form
   65,214.50/89,794.49 = 50,932.02/x
3. Step 3: Cross multiply
   65,214.50x = 89,794.49 × 50,932.02
4. Step 4: Simplify right side
   65,214.50x = 4,573,414,505.91
5. Step 5: Solve for x
   x = 4,573,414,505.91/65,214.50
6. Step 6: Final answer
   x = 70,128.80