Finding the Fourth Proportional to 8,820.33, 12,169.89 and 5,042.36

Step by Step Solution

1. Step 1: Write the proportion equation
   8,820.33 : 12,169.89 = 5,042.36 : x
2. Step 2: Convert to fraction form
   8,820.33/12,169.89 = 5,042.36/x
3. Step 3: Cross multiply
   8,820.33x = 12,169.89 × 5,042.36
4. Step 4: Simplify right side
   8,820.33x = 61,364,905.69
5. Step 5: Solve for x
   x = 61,364,905.69/8,820.33
6. Step 6: Final answer
   x = 6,957.21