Finding the Fourth Proportional to 14,578.37, 21,753.82 and 13,007.58

Step by Step Solution

1. Step 1: Write the proportion equation
   14,578.37 : 21,753.82 = 13,007.58 : x
2. Step 2: Convert to fraction form
   14,578.37/21,753.82 = 13,007.58/x
3. Step 3: Cross multiply
   14,578.37x = 21,753.82 × 13,007.58
4. Step 4: Simplify right side
   14,578.37x = 282,964,488.64
5. Step 5: Solve for x
   x = 282,964,488.64/14,578.37
6. Step 6: Final answer
   x = 19,409.89