Finding the Fourth Proportional to 21,404.71, 32,108.96 and 5,609.71

Step by Step Solution

1. Step 1: Write the proportion equation
   21,404.71 : 32,108.96 = 5,609.71 : x
2. Step 2: Convert to fraction form
   21,404.71/32,108.96 = 5,609.71/x
3. Step 3: Cross multiply
   21,404.71x = 32,108.96 × 5,609.71
4. Step 4: Simplify right side
   21,404.71x = 180,121,954.00
5. Step 5: Solve for x
   x = 180,121,954.00/21,404.71
6. Step 6: Final answer
   x = 8,415.06