Finding the Fourth Proportional to 23,213.76, 32,061.36 and 15,647.03

Step by Step Solution

1. Step 1: Write the proportion equation
   23,213.76 : 32,061.36 = 15,647.03 : x
2. Step 2: Convert to fraction form
   23,213.76/32,061.36 = 15,647.03/x
3. Step 3: Cross multiply
   23,213.76x = 32,061.36 × 15,647.03
4. Step 4: Simplify right side
   23,213.76x = 501,665,061.76
5. Step 5: Solve for x
   x = 501,665,061.76/23,213.76
6. Step 6: Final answer
   x = 21,610.68