Finding the Fourth Proportional to 21,406.10, 32,109.21 and 5,823.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,406.10 : 32,109.21 = 5,823.72 : x
2. Step 2: Convert to fraction form
   21,406.10/32,109.21 = 5,823.72/x
3. Step 3: Cross multiply
   21,406.10x = 32,109.21 × 5,823.72
4. Step 4: Simplify right side
   21,406.10x = 186,995,048.46
5. Step 5: Solve for x
   x = 186,995,048.46/21,406.10
6. Step 6: Final answer
   x = 8,735.60