Finding the Fourth Proportional to 22,298.76, 33,404.76 and 12,408

Step by Step Solution

1. Step 1: Write the proportion equation
   22,298.76 : 33,404.76 = 12,408 : x
2. Step 2: Convert to fraction form
   22,298.76/33,404.76 = 12,408/x
3. Step 3: Cross multiply
   22,298.76x = 33,404.76 × 12,408
4. Step 4: Simplify right side
   22,298.76x = 414,486,262.08
5. Step 5: Solve for x
   x = 414,486,262.08/22,298.76
6. Step 6: Final answer
   x = 18,587.86