Finding the Fourth Proportional to 21,323.87, 31,945.82 and 17,836.29

Step by Step Solution

1. Step 1: Write the proportion equation
   21,323.87 : 31,945.82 = 17,836.29 : x
2. Step 2: Convert to fraction form
   21,323.87/31,945.82 = 17,836.29/x
3. Step 3: Cross multiply
   21,323.87x = 31,945.82 × 17,836.29
4. Step 4: Simplify right side
   21,323.87x = 569,794,909.81
5. Step 5: Solve for x
   x = 569,794,909.81/21,323.87
6. Step 6: Final answer
   x = 26,720.99