Finding the Fourth Proportional to 80,760.08, 121,131.61 and 21,601.73

Step by Step Solution

1. Step 1: Write the proportion equation
   80,760.08 : 121,131.61 = 21,601.73 : x
2. Step 2: Convert to fraction form
   80,760.08/121,131.61 = 21,601.73/x
3. Step 3: Cross multiply
   80,760.08x = 121,131.61 × 21,601.73
4. Step 4: Simplify right side
   80,760.08x = 2,616,652,333.69
5. Step 5: Solve for x
   x = 2,616,652,333.69/80,760.08
6. Step 6: Final answer
   x = 32,400.32