Finding the Fourth Proportional to 25,304.72, 34,933.86 and 16,357.31

Step by Step Solution

1. Step 1: Write the proportion equation
   25,304.72 : 34,933.86 = 16,357.31 : x
2. Step 2: Convert to fraction form
   25,304.72/34,933.86 = 16,357.31/x
3. Step 3: Cross multiply
   25,304.72x = 34,933.86 × 16,357.31
4. Step 4: Simplify right side
   25,304.72x = 571,423,802.85
5. Step 5: Solve for x
   x = 571,423,802.85/25,304.72
6. Step 6: Final answer
   x = 22,581.71