Finding the Fourth Proportional to 22,446.21, 33,404.29 and 21,698.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,446.21 : 33,404.29 = 21,698.71 : x
2. Step 2: Convert to fraction form
   22,446.21/33,404.29 = 21,698.71/x
3. Step 3: Cross multiply
   22,446.21x = 33,404.29 × 21,698.71
4. Step 4: Simplify right side
   22,446.21x = 724,829,947.22
5. Step 5: Solve for x
   x = 724,829,947.22/22,446.21
6. Step 6: Final answer
   x = 32,291.87