Finding the Fourth Proportional to 22,047.57, 30,426.12 and 12,487.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,047.57 : 30,426.12 = 12,487.50 : x
2. Step 2: Convert to fraction form
   22,047.57/30,426.12 = 12,487.50/x
3. Step 3: Cross multiply
   22,047.57x = 30,426.12 × 12,487.50
4. Step 4: Simplify right side
   22,047.57x = 379,946,173.50
5. Step 5: Solve for x
   x = 379,946,173.50/22,047.57
6. Step 6: Final answer
   x = 17,233.02