Finding the Fourth Proportional to 21,404.79, 32,109.01 and 5,609.79

Step by Step Solution

1. Step 1: Write the proportion equation
   21,404.79 : 32,109.01 = 5,609.79 : x
2. Step 2: Convert to fraction form
   21,404.79/32,109.01 = 5,609.79/x
3. Step 3: Cross multiply
   21,404.79x = 32,109.01 × 5,609.79
4. Step 4: Simplify right side
   21,404.79x = 180,124,789.18
5. Step 5: Solve for x
   x = 180,124,789.18/21,404.79
6. Step 6: Final answer
   x = 8,415.16