Finding the Fourth Proportional to 25,302.72, 34,929 and 16,354.56

Step by Step Solution

1. Step 1: Write the proportion equation
   25,302.72 : 34,929 = 16,354.56 : x
2. Step 2: Convert to fraction form
   25,302.72/34,929 = 16,354.56/x
3. Step 3: Cross multiply
   25,302.72x = 34,929 × 16,354.56
4. Step 4: Simplify right side
   25,302.72x = 571,248,426.24
5. Step 5: Solve for x
   x = 571,248,426.24/25,302.72
6. Step 6: Final answer
   x = 22,576.56