Finding the Fourth Proportional to 8,300.50, 11,443.47 and 8,042.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300.50 : 11,443.47 = 8,042.51 : x
2. Step 2: Convert to fraction form
   8,300.50/11,443.47 = 8,042.51/x
3. Step 3: Cross multiply
   8,300.50x = 11,443.47 × 8,042.51
4. Step 4: Simplify right side
   8,300.50x = 92,034,221.91
5. Step 5: Solve for x
   x = 92,034,221.91/8,300.50
6. Step 6: Final answer
   x = 11,087.79