Finding the Fourth Proportional to 14,121.83, 21,185.18 and 5,806.37

Step by Step Solution

1. Step 1: Write the proportion equation
   14,121.83 : 21,185.18 = 5,806.37 : x
2. Step 2: Convert to fraction form
   14,121.83/21,185.18 = 5,806.37/x
3. Step 3: Cross multiply
   14,121.83x = 21,185.18 × 5,806.37
4. Step 4: Simplify right side
   14,121.83x = 123,008,858.64
5. Step 5: Solve for x
   x = 123,008,858.64/14,121.83
6. Step 6: Final answer
   x = 8,710.55