Finding the Fourth Proportional to 21,434.01, 29,589.18 and 14,275.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,434.01 : 29,589.18 = 14,275.83 : x
2. Step 2: Convert to fraction form
   21,434.01/29,589.18 = 14,275.83/x
3. Step 3: Cross multiply
   21,434.01x = 29,589.18 × 14,275.83
4. Step 4: Simplify right side
   21,434.01x = 422,410,103.52
5. Step 5: Solve for x
   x = 422,410,103.52/21,434.01
6. Step 6: Final answer
   x = 19,707.47