Finding the Fourth Proportional to 23,387.18, 32,269.91 and 13,315.01

Step by Step Solution

1. Step 1: Write the proportion equation
   23,387.18 : 32,269.91 = 13,315.01 : x
2. Step 2: Convert to fraction form
   23,387.18/32,269.91 = 13,315.01/x
3. Step 3: Cross multiply
   23,387.18x = 32,269.91 × 13,315.01
4. Step 4: Simplify right side
   23,387.18x = 429,673,946.42
5. Step 5: Solve for x
   x = 429,673,946.42/23,387.18
6. Step 6: Final answer
   x = 18,372.20