Finding the Fourth Proportional to 23,903.88, 32,986.53 and 13,293.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,903.88 : 32,986.53 = 13,293.30 : x
2. Step 2: Convert to fraction form
   23,903.88/32,986.53 = 13,293.30/x
3. Step 3: Cross multiply
   23,903.88x = 32,986.53 × 13,293.30
4. Step 4: Simplify right side
   23,903.88x = 438,499,839.25
5. Step 5: Solve for x
   x = 438,499,839.25/23,903.88
6. Step 6: Final answer
   x = 18,344.30