Finding the Fourth Proportional to 22,337.60, 33,530.70 and 12,496.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,337.60 : 33,530.70 = 12,496.10 : x
2. Step 2: Convert to fraction form
   22,337.60/33,530.70 = 12,496.10/x
3. Step 3: Cross multiply
   22,337.60x = 33,530.70 × 12,496.10
4. Step 4: Simplify right side
   22,337.60x = 419,002,980.27
5. Step 5: Solve for x
   x = 419,002,980.27/22,337.60
6. Step 6: Final answer
   x = 18,757.74