Finding the Fourth Proportional to 10,047.35, 13,865.23 and 5,571.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.35 : 13,865.23 = 5,571.29 : x
2. Step 2: Convert to fraction form
   10,047.35/13,865.23 = 5,571.29/x
3. Step 3: Cross multiply
   10,047.35x = 13,865.23 × 5,571.29
4. Step 4: Simplify right side
   10,047.35x = 77,247,217.25
5. Step 5: Solve for x
   x = 77,247,217.25/10,047.35
6. Step 6: Final answer
   x = 7,688.32