Finding the Fourth Proportional to 16,772, 23,139.46 and 10,059.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,772 : 23,139.46 = 10,059.80 : x
2. Step 2: Convert to fraction form
   16,772/23,139.46 = 10,059.80/x
3. Step 3: Cross multiply
   16,772x = 23,139.46 × 10,059.80
4. Step 4: Simplify right side
   16,772x = 232,778,339.71
5. Step 5: Solve for x
   x = 232,778,339.71/16,772
6. Step 6: Final answer
   x = 13,878.99