Finding the Fourth Proportional to 21,314.37, 29,404.49 and 20,326.17

Step by Step Solution

1. Step 1: Write the proportion equation
   21,314.37 : 29,404.49 = 20,326.17 : x
2. Step 2: Convert to fraction form
   21,314.37/29,404.49 = 20,326.17/x
3. Step 3: Cross multiply
   21,314.37x = 29,404.49 × 20,326.17
4. Step 4: Simplify right side
   21,314.37x = 597,680,662.50
5. Step 5: Solve for x
   x = 597,680,662.50/21,314.37
6. Step 6: Final answer
   x = 28,041.21