Finding the Fourth Proportional to 60,534.27, 83,540 and 50,445.83

Step by Step Solution

1. Step 1: Write the proportion equation
   60,534.27 : 83,540 = 50,445.83 : x
2. Step 2: Convert to fraction form
   60,534.27/83,540 = 50,445.83/x
3. Step 3: Cross multiply
   60,534.27x = 83,540 × 50,445.83
4. Step 4: Simplify right side
   60,534.27x = 4,214,244,638.20
5. Step 5: Solve for x
   x = 4,214,244,638.20/60,534.27
6. Step 6: Final answer
   x = 69,617.50