Finding the Fourth Proportional to 65,117.52, 89,764.20 and 50,945.76

Step by Step Solution

1. Step 1: Write the proportion equation
   65,117.52 : 89,764.20 = 50,945.76 : x
2. Step 2: Convert to fraction form
   65,117.52/89,764.20 = 50,945.76/x
3. Step 3: Cross multiply
   65,117.52x = 89,764.20 × 50,945.76
4. Step 4: Simplify right side
   65,117.52x = 4,573,105,389.79
5. Step 5: Solve for x
   x = 4,573,105,389.79/65,117.52
6. Step 6: Final answer
   x = 70,228.49