Finding the Fourth Proportional to 65,300.74, 90,018.66 and 50,944.42

Step by Step Solution

1. Step 1: Write the proportion equation
   65,300.74 : 90,018.66 = 50,944.42 : x
2. Step 2: Convert to fraction form
   65,300.74/90,018.66 = 50,944.42/x
3. Step 3: Cross multiply
   65,300.74x = 90,018.66 × 50,944.42
4. Step 4: Simplify right side
   65,300.74x = 4,585,948,422.88
5. Step 5: Solve for x
   x = 4,585,948,422.88/65,300.74
6. Step 6: Final answer
   x = 70,228.12