Finding the Fourth Proportional to 16,828.74, 23,222.72 and 10,113.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,828.74 : 23,222.72 = 10,113.12 : x
2. Step 2: Convert to fraction form
   16,828.74/23,222.72 = 10,113.12/x
3. Step 3: Cross multiply
   16,828.74x = 23,222.72 × 10,113.12
4. Step 4: Simplify right side
   16,828.74x = 234,854,154.09
5. Step 5: Solve for x
   x = 234,854,154.09/16,828.74
6. Step 6: Final answer
   x = 13,955.54