Finding the Fourth Proportional to 16,838.91, 25,256.27 and 4,357.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,838.91 : 25,256.27 = 4,357.89 : x
2. Step 2: Convert to fraction form
   16,838.91/25,256.27 = 4,357.89/x
3. Step 3: Cross multiply
   16,838.91x = 25,256.27 × 4,357.89
4. Step 4: Simplify right side
   16,838.91x = 110,064,057.37
5. Step 5: Solve for x
   x = 110,064,057.37/16,838.91
6. Step 6: Final answer
   x = 6,536.29