Finding the Fourth Proportional to 21,401.36, 32,100.60 and 7,550.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,401.36 : 32,100.60 = 7,550.16 : x
2. Step 2: Convert to fraction form
   21,401.36/32,100.60 = 7,550.16/x
3. Step 3: Cross multiply
   21,401.36x = 32,100.60 × 7,550.16
4. Step 4: Simplify right side
   21,401.36x = 242,364,666.10
5. Step 5: Solve for x
   x = 242,364,666.10/21,401.36
6. Step 6: Final answer
   x = 11,324.73