Finding the Fourth Proportional to 23,427.72, 32,337.78 and 15,477

Step by Step Solution

1. Step 1: Write the proportion equation
   23,427.72 : 32,337.78 = 15,477 : x
2. Step 2: Convert to fraction form
   23,427.72/32,337.78 = 15,477/x
3. Step 3: Cross multiply
   23,427.72x = 32,337.78 × 15,477
4. Step 4: Simplify right side
   23,427.72x = 500,491,821.06
5. Step 5: Solve for x
   x = 500,491,821.06/23,427.72
6. Step 6: Final answer
   x = 21,363.23