Finding the Fourth Proportional to 14,415.82, 21,622.12 and 3,886.89

Step by Step Solution

1. Step 1: Write the proportion equation
   14,415.82 : 21,622.12 = 3,886.89 : x
2. Step 2: Convert to fraction form
   14,415.82/21,622.12 = 3,886.89/x
3. Step 3: Cross multiply
   14,415.82x = 21,622.12 × 3,886.89
4. Step 4: Simplify right side
   14,415.82x = 84,042,802.01
5. Step 5: Solve for x
   x = 84,042,802.01/14,415.82
6. Step 6: Final answer
   x = 5,829.90