Finding the Fourth Proportional to 8,272.86, 11,412.27 and 5,123.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,272.86 : 11,412.27 = 5,123.58 : x
2. Step 2: Convert to fraction form
   8,272.86/11,412.27 = 5,123.58/x
3. Step 3: Cross multiply
   8,272.86x = 11,412.27 × 5,123.58
4. Step 4: Simplify right side
   8,272.86x = 58,471,678.33
5. Step 5: Solve for x
   x = 58,471,678.33/8,272.86
6. Step 6: Final answer
   x = 7,067.89