Finding the Fourth Proportional to 22,329.61, 30,815.98 and 12,257.93

Step by Step Solution

1. Step 1: Write the proportion equation
   22,329.61 : 30,815.98 = 12,257.93 : x
2. Step 2: Convert to fraction form
   22,329.61/30,815.98 = 12,257.93/x
3. Step 3: Cross multiply
   22,329.61x = 30,815.98 × 12,257.93
4. Step 4: Simplify right side
   22,329.61x = 377,740,172.12
5. Step 5: Solve for x
   x = 377,740,172.12/22,329.61
6. Step 6: Final answer
   x = 16,916.56