Finding the Fourth Proportional to 60,766.81, 91,143.79 and 16,390.82

Step by Step Solution

1. Step 1: Write the proportion equation
   60,766.81 : 91,143.79 = 16,390.82 : x
2. Step 2: Convert to fraction form
   60,766.81/91,143.79 = 16,390.82/x
3. Step 3: Cross multiply
   60,766.81x = 91,143.79 × 16,390.82
4. Step 4: Simplify right side
   60,766.81x = 1,493,921,456.01
5. Step 5: Solve for x
   x = 1,493,921,456.01/60,766.81
6. Step 6: Final answer
   x = 24,584.50