Finding the Fourth Proportional to 10,021.83, 13,828.89 and 5,545.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,021.83 : 13,828.89 = 5,545.29 : x
2. Step 2: Convert to fraction form
   10,021.83/13,828.89 = 5,545.29/x
3. Step 3: Cross multiply
   10,021.83x = 13,828.89 × 5,545.29
4. Step 4: Simplify right side
   10,021.83x = 76,685,205.43
5. Step 5: Solve for x
   x = 76,685,205.43/10,021.83
6. Step 6: Final answer
   x = 7,651.82