Finding the Fourth Proportional to 16,870.32, 25,305.82 and 5,789.74

Step by Step Solution

1. Step 1: Write the proportion equation
   16,870.32 : 25,305.82 = 5,789.74 : x
2. Step 2: Convert to fraction form
   16,870.32/25,305.82 = 5,789.74/x
3. Step 3: Cross multiply
   16,870.32x = 25,305.82 × 5,789.74
4. Step 4: Simplify right side
   16,870.32x = 146,514,118.29
5. Step 5: Solve for x
   x = 146,514,118.29/16,870.32
6. Step 6: Final answer
   x = 8,684.73