Finding the Fourth Proportional to 21,499.01, 29,667 and 12,065.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,499.01 : 29,667 = 12,065.75 : x
2. Step 2: Convert to fraction form
   21,499.01/29,667 = 12,065.75/x
3. Step 3: Cross multiply
   21,499.01x = 29,667 × 12,065.75
4. Step 4: Simplify right side
   21,499.01x = 357,954,605.25
5. Step 5: Solve for x
   x = 357,954,605.25/21,499.01
6. Step 6: Final answer
   x = 16,649.82