Finding the Fourth Proportional to 8,833.72, 12,189.23 and 5,056.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,833.72 : 12,189.23 = 5,056.28 : x
2. Step 2: Convert to fraction form
   8,833.72/12,189.23 = 5,056.28/x
3. Step 3: Cross multiply
   8,833.72x = 12,189.23 × 5,056.28
4. Step 4: Simplify right side
   8,833.72x = 61,632,159.86
5. Step 5: Solve for x
   x = 61,632,159.86/8,833.72
6. Step 6: Final answer
   x = 6,976.92