Finding the Fourth Proportional to 10,817.16, 16,206.30 and 10,059

Step by Step Solution

1. Step 1: Write the proportion equation
   10,817.16 : 16,206.30 = 10,059 : x
2. Step 2: Convert to fraction form
   10,817.16/16,206.30 = 10,059/x
3. Step 3: Cross multiply
   10,817.16x = 16,206.30 × 10,059
4. Step 4: Simplify right side
   10,817.16x = 163,019,171.70
5. Step 5: Solve for x
   x = 163,019,171.70/10,817.16
6. Step 6: Final answer
   x = 15,070.42