Finding the Fourth Proportional to 16,898.65, 25,340.71 and 5,806.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,898.65 : 25,340.71 = 5,806.45 : x
2. Step 2: Convert to fraction form
   16,898.65/25,340.71 = 5,806.45/x
3. Step 3: Cross multiply
   16,898.65x = 25,340.71 × 5,806.45
4. Step 4: Simplify right side
   16,898.65x = 147,139,565.58
5. Step 5: Solve for x
   x = 147,139,565.58/16,898.65
6. Step 6: Final answer
   x = 8,707.18