Finding the Fourth Proportional to 60,865.27, 91,148.86 and 50,270.47

Step by Step Solution

1. Step 1: Write the proportion equation
   60,865.27 : 91,148.86 = 50,270.47 : x
2. Step 2: Convert to fraction form
   60,865.27/91,148.86 = 50,270.47/x
3. Step 3: Cross multiply
   60,865.27x = 91,148.86 × 50,270.47
4. Step 4: Simplify right side
   60,865.27x = 4,582,096,032.16
5. Step 5: Solve for x
   x = 4,582,096,032.16/60,865.27
6. Step 6: Final answer
   x = 75,282.60