Finding the Fourth Proportional to 12,828.33, 17,703.45 and 7,162.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,828.33 : 17,703.45 = 7,162.86 : x
2. Step 2: Convert to fraction form
   12,828.33/17,703.45 = 7,162.86/x
3. Step 3: Cross multiply
   12,828.33x = 17,703.45 × 7,162.86
4. Step 4: Simplify right side
   12,828.33x = 126,807,333.87
5. Step 5: Solve for x
   x = 126,807,333.87/12,828.33
6. Step 6: Final answer
   x = 9,884.94