Finding the Fourth Proportional to 22,947.91, 34,366.42 and 13,057.23

Step by Step Solution

1. Step 1: Write the proportion equation
   22,947.91 : 34,366.42 = 13,057.23 : x
2. Step 2: Convert to fraction form
   22,947.91/34,366.42 = 13,057.23/x
3. Step 3: Cross multiply
   22,947.91x = 34,366.42 × 13,057.23
4. Step 4: Simplify right side
   22,947.91x = 448,730,250.22
5. Step 5: Solve for x
   x = 448,730,250.22/22,947.91
6. Step 6: Final answer
   x = 19,554.30