Finding the Fourth Proportional to 22,403.50, 30,916.86 and 12,467.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,403.50 : 30,916.86 = 12,467.50 : x
2. Step 2: Convert to fraction form
   22,403.50/30,916.86 = 12,467.50/x
3. Step 3: Cross multiply
   22,403.50x = 30,916.86 × 12,467.50
4. Step 4: Simplify right side
   22,403.50x = 385,455,952.05
5. Step 5: Solve for x
   x = 385,455,952.05/22,403.50
6. Step 6: Final answer
   x = 17,205.17