Finding the Fourth Proportional to 16,856.52, 25,283.83 and 5,169.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,856.52 : 25,283.83 = 5,169.71 : x
2. Step 2: Convert to fraction form
   16,856.52/25,283.83 = 5,169.71/x
3. Step 3: Cross multiply
   16,856.52x = 25,283.83 × 5,169.71
4. Step 4: Simplify right side
   16,856.52x = 130,710,068.79
5. Step 5: Solve for x
   x = 130,710,068.79/16,856.52
6. Step 6: Final answer
   x = 7,754.27