Finding the Fourth Proportional to 23,757, 32,784.24 and 13,685.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,757 : 32,784.24 = 13,685.40 : x
2. Step 2: Convert to fraction form
   23,757/32,784.24 = 13,685.40/x
3. Step 3: Cross multiply
   23,757x = 32,784.24 × 13,685.40
4. Step 4: Simplify right side
   23,757x = 448,665,438.10
5. Step 5: Solve for x
   x = 448,665,438.10/23,757
6. Step 6: Final answer
   x = 18,885.61