Finding the Fourth Proportional to 16,979.42, 25,469.45 and 5,886.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,979.42 : 25,469.45 = 5,886.47 : x
2. Step 2: Convert to fraction form
   16,979.42/25,469.45 = 5,886.47/x
3. Step 3: Cross multiply
   16,979.42x = 25,469.45 × 5,886.47
4. Step 4: Simplify right side
   16,979.42x = 149,925,123.91
5. Step 5: Solve for x
   x = 149,925,123.91/16,979.42
6. Step 6: Final answer
   x = 8,829.81