Finding the Fourth Proportional to 13,844.84, 20,650.54 and 13,429.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,844.84 : 20,650.54 = 13,429.82 : x
2. Step 2: Convert to fraction form
   13,844.84/20,650.54 = 13,429.82/x
3. Step 3: Cross multiply
   13,844.84x = 20,650.54 × 13,429.82
4. Step 4: Simplify right side
   13,844.84x = 277,333,035.10
5. Step 5: Solve for x
   x = 277,333,035.10/13,844.84
6. Step 6: Final answer
   x = 20,031.51