Finding the Fourth Proportional to 21,401.28, 32,105.34 and 7,359.84

Step by Step Solution

1. Step 1: Write the proportion equation
   21,401.28 : 32,105.34 = 7,359.84 : x
2. Step 2: Convert to fraction form
   21,401.28/32,105.34 = 7,359.84/x
3. Step 3: Cross multiply
   21,401.28x = 32,105.34 × 7,359.84
4. Step 4: Simplify right side
   21,401.28x = 236,290,165.55
5. Step 5: Solve for x
   x = 236,290,165.55/21,401.28
6. Step 6: Final answer
   x = 11,040.94