Finding the Fourth Proportional to 23,339.34, 32,199.12 and 13,127.99

Step by Step Solution

1. Step 1: Write the proportion equation
   23,339.34 : 32,199.12 = 13,127.99 : x
2. Step 2: Convert to fraction form
   23,339.34/32,199.12 = 13,127.99/x
3. Step 3: Cross multiply
   23,339.34x = 32,199.12 × 13,127.99
4. Step 4: Simplify right side
   23,339.34x = 422,709,564.37
5. Step 5: Solve for x
   x = 422,709,564.37/23,339.34
6. Step 6: Final answer
   x = 18,111.46