Finding the Fourth Proportional to 16,061.60, 22,434.40 and 16,061.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,061.60 : 22,434.40 = 16,061.60 : x
2. Step 2: Convert to fraction form
   16,061.60/22,434.40 = 16,061.60/x
3. Step 3: Cross multiply
   16,061.60x = 22,434.40 × 16,061.60
4. Step 4: Simplify right side
   16,061.60x = 360,332,359.04
5. Step 5: Solve for x
   x = 360,332,359.04/16,061.60
6. Step 6: Final answer
   x = 22,434.40