Finding the Fourth Proportional to 22,374, 30,876.78 and 12,301.92

Step by Step Solution

1. Step 1: Write the proportion equation
   22,374 : 30,876.78 = 12,301.92 : x
2. Step 2: Convert to fraction form
   22,374/30,876.78 = 12,301.92/x
3. Step 3: Cross multiply
   22,374x = 30,876.78 × 12,301.92
4. Step 4: Simplify right side
   22,374x = 379,843,677.42
5. Step 5: Solve for x
   x = 379,843,677.42/22,374
6. Step 6: Final answer
   x = 16,977.01