Finding the Fourth Proportional to 23,057.72, 34,554.14 and 13,182.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,057.72 : 34,554.14 = 13,182.20 : x
2. Step 2: Convert to fraction form
   23,057.72/34,554.14 = 13,182.20/x
3. Step 3: Cross multiply
   23,057.72x = 34,554.14 × 13,182.20
4. Step 4: Simplify right side
   23,057.72x = 455,499,584.31
5. Step 5: Solve for x
   x = 455,499,584.31/23,057.72
6. Step 6: Final answer
   x = 19,754.75