Finding the Fourth Proportional to 21,571.42, 32,354.94 and 7,530.10

Step by Step Solution

1. Step 1: Write the proportion equation
   21,571.42 : 32,354.94 = 7,530.10 : x
2. Step 2: Convert to fraction form
   21,571.42/32,354.94 = 7,530.10/x
3. Step 3: Cross multiply
   21,571.42x = 32,354.94 × 7,530.10
4. Step 4: Simplify right side
   21,571.42x = 243,635,933.69
5. Step 5: Solve for x
   x = 243,635,933.69/21,571.42
6. Step 6: Final answer
   x = 11,294.39