Finding the Fourth Proportional to 22,031.61, 33,089.10 and 13,769.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,031.61 : 33,089.10 = 13,769.61 : x
2. Step 2: Convert to fraction form
   22,031.61/33,089.10 = 13,769.61/x
3. Step 3: Cross multiply
   22,031.61x = 33,089.10 × 13,769.61
4. Step 4: Simplify right side
   22,031.61x = 455,624,002.25
5. Step 5: Solve for x
   x = 455,624,002.25/22,031.61
6. Step 6: Final answer
   x = 20,680.47