Finding the Fourth Proportional to 14,451.39, 21,678.82 and 5,089.47

Step by Step Solution

1. Step 1: Write the proportion equation
   14,451.39 : 21,678.82 = 5,089.47 : x
2. Step 2: Convert to fraction form
   14,451.39/21,678.82 = 5,089.47/x
3. Step 3: Cross multiply
   14,451.39x = 21,678.82 × 5,089.47
4. Step 4: Simplify right side
   14,451.39x = 110,333,678.58
5. Step 5: Solve for x
   x = 110,333,678.58/14,451.39
6. Step 6: Final answer
   x = 7,634.82