Finding the Fourth Proportional to 21,404.94, 32,101.89 and 6,409.10

Step by Step Solution

1. Step 1: Write the proportion equation
   21,404.94 : 32,101.89 = 6,409.10 : x
2. Step 2: Convert to fraction form
   21,404.94/32,101.89 = 6,409.10/x
3. Step 3: Cross multiply
   21,404.94x = 32,101.89 × 6,409.10
4. Step 4: Simplify right side
   21,404.94x = 205,744,223.20
5. Step 5: Solve for x
   x = 205,744,223.20/21,404.94
6. Step 6: Final answer
   x = 9,612.00