Finding the Fourth Proportional to 20,492.27, 28,205.91 and 14,513.59

Step by Step Solution

1. Step 1: Write the proportion equation
   20,492.27 : 28,205.91 = 14,513.59 : x
2. Step 2: Convert to fraction form
   20,492.27/28,205.91 = 14,513.59/x
3. Step 3: Cross multiply
   20,492.27x = 28,205.91 × 14,513.59
4. Step 4: Simplify right side
   20,492.27x = 409,369,013.32
5. Step 5: Solve for x
   x = 409,369,013.32/20,492.27
6. Step 6: Final answer
   x = 19,976.75