Finding the Fourth Proportional to 10,039.73, 13,855.33 and 5,563.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,039.73 : 13,855.33 = 5,563.50 : x
2. Step 2: Convert to fraction form
   10,039.73/13,855.33 = 5,563.50/x
3. Step 3: Cross multiply
   10,039.73x = 13,855.33 × 5,563.50
4. Step 4: Simplify right side
   10,039.73x = 77,084,174.97
5. Step 5: Solve for x
   x = 77,084,174.97/10,039.73
6. Step 6: Final answer
   x = 7,677.91