Finding the Fourth Proportional to 22,265, 33,368.34 and 12,408.92

Step by Step Solution

1. Step 1: Write the proportion equation
   22,265 : 33,368.34 = 12,408.92 : x
2. Step 2: Convert to fraction form
   22,265/33,368.34 = 12,408.92/x
3. Step 3: Cross multiply
   22,265x = 33,368.34 × 12,408.92
4. Step 4: Simplify right side
   22,265x = 414,065,061.59
5. Step 5: Solve for x
   x = 414,065,061.59/22,265
6. Step 6: Final answer
   x = 18,597.13