Finding the Fourth Proportional to 8,385.59, 11,572.76 and 5,028.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,385.59 : 11,572.76 = 5,028.54 : x
2. Step 2: Convert to fraction form
   8,385.59/11,572.76 = 5,028.54/x
3. Step 3: Cross multiply
   8,385.59x = 11,572.76 × 5,028.54
4. Step 4: Simplify right side
   8,385.59x = 58,194,086.57
5. Step 5: Solve for x
   x = 58,194,086.57/8,385.59
6. Step 6: Final answer
   x = 6,939.77