Finding the Fourth Proportional to 60,836.24, 83,993.52 and 54,451.76

Step by Step Solution

1. Step 1: Write the proportion equation
   60,836.24 : 83,993.52 = 54,451.76 : x
2. Step 2: Convert to fraction form
   60,836.24/83,993.52 = 54,451.76/x
3. Step 3: Cross multiply
   60,836.24x = 83,993.52 × 54,451.76
4. Step 4: Simplify right side
   60,836.24x = 4,573,594,992.60
5. Step 5: Solve for x
   x = 4,573,594,992.60/60,836.24
6. Step 6: Final answer
   x = 75,178.79