Finding the Fourth Proportional to 22,320.01, 30,789.88 and 17,005.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,320.01 : 30,789.88 = 17,005.60 : x
2. Step 2: Convert to fraction form
   22,320.01/30,789.88 = 17,005.60/x
3. Step 3: Cross multiply
   22,320.01x = 30,789.88 × 17,005.60
4. Step 4: Simplify right side
   22,320.01x = 523,600,383.33
5. Step 5: Solve for x
   x = 523,600,383.33/22,320.01
6. Step 6: Final answer
   x = 23,458.79