Finding the Fourth Proportional to 50,960.45, 70,314.08 and 30,816.91

Step by Step Solution

1. Step 1: Write the proportion equation
   50,960.45 : 70,314.08 = 30,816.91 : x
2. Step 2: Convert to fraction form
   50,960.45/70,314.08 = 30,816.91/x
3. Step 3: Cross multiply
   50,960.45x = 70,314.08 × 30,816.91
4. Step 4: Simplify right side
   50,960.45x = 2,166,862,345.22
5. Step 5: Solve for x
   x = 2,166,862,345.22/50,960.45
6. Step 6: Final answer
   x = 42,520.47