Finding the Fourth Proportional to 23,034, 31,786.92 and 13,602.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,034 : 31,786.92 = 13,602.72 : x
2. Step 2: Convert to fraction form
   23,034/31,786.92 = 13,602.72/x
3. Step 3: Cross multiply
   23,034x = 31,786.92 × 13,602.72
4. Step 4: Simplify right side
   23,034x = 432,388,572.42
5. Step 5: Solve for x
   x = 432,388,572.42/23,034
6. Step 6: Final answer
   x = 18,771.75