Finding the Fourth Proportional to 16,680.70, 25,021.52 and 5,585.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,680.70 : 25,021.52 = 5,585.32 : x
2. Step 2: Convert to fraction form
   16,680.70/25,021.52 = 5,585.32/x
3. Step 3: Cross multiply
   16,680.70x = 25,021.52 × 5,585.32
4. Step 4: Simplify right side
   16,680.70x = 139,753,196.09
5. Step 5: Solve for x
   x = 139,753,196.09/16,680.70
6. Step 6: Final answer
   x = 8,378.14