Finding the Fourth Proportional to 22,109.50, 30,511.14 and 12,173.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,109.50 : 30,511.14 = 12,173.50 : x
2. Step 2: Convert to fraction form
   22,109.50/30,511.14 = 12,173.50/x
3. Step 3: Cross multiply
   22,109.50x = 30,511.14 × 12,173.50
4. Step 4: Simplify right side
   22,109.50x = 371,427,362.79
5. Step 5: Solve for x
   x = 371,427,362.79/22,109.50
6. Step 6: Final answer
   x = 16,799.45