Finding the Fourth Proportional to 21,375.28, 32,061.30 and 7,514.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,375.28 : 32,061.30 = 7,514.56 : x
2. Step 2: Convert to fraction form
   21,375.28/32,061.30 = 7,514.56/x
3. Step 3: Cross multiply
   21,375.28x = 32,061.30 × 7,514.56
4. Step 4: Simplify right side
   21,375.28x = 240,926,562.53
5. Step 5: Solve for x
   x = 240,926,562.53/21,375.28
6. Step 6: Final answer
   x = 11,271.27