Finding the Fourth Proportional to 23,638.30, 32,611.71 and 13,563.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,638.30 : 32,611.71 = 13,563.10 : x
2. Step 2: Convert to fraction form
   23,638.30/32,611.71 = 13,563.10/x
3. Step 3: Cross multiply
   23,638.30x = 32,611.71 × 13,563.10
4. Step 4: Simplify right side
   23,638.30x = 442,315,883.90
5. Step 5: Solve for x
   x = 442,315,883.90/23,638.30
6. Step 6: Final answer
   x = 18,711.83