Finding the Fourth Proportional to 22,141.48, 30,554.34 and 12,069.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,141.48 : 30,554.34 = 12,069.70 : x
2. Step 2: Convert to fraction form
   22,141.48/30,554.34 = 12,069.70/x
3. Step 3: Cross multiply
   22,141.48x = 30,554.34 × 12,069.70
4. Step 4: Simplify right side
   22,141.48x = 368,781,717.50
5. Step 5: Solve for x
   x = 368,781,717.50/22,141.48
6. Step 6: Final answer
   x = 16,655.69