Finding the Fourth Proportional to 10,555.27, 15,828.24 and 5,623.85

Step by Step Solution

1. Step 1: Write the proportion equation
   10,555.27 : 15,828.24 = 5,623.85 : x
2. Step 2: Convert to fraction form
   10,555.27/15,828.24 = 5,623.85/x
3. Step 3: Cross multiply
   10,555.27x = 15,828.24 × 5,623.85
4. Step 4: Simplify right side
   10,555.27x = 89,015,647.52
5. Step 5: Solve for x
   x = 89,015,647.52/10,555.27
6. Step 6: Final answer
   x = 8,433.29