Finding the Fourth Proportional to 10,047.38, 13,865.38 and 5,571.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.38 : 13,865.38 = 5,571.82 : x
2. Step 2: Convert to fraction form
   10,047.38/13,865.38 = 5,571.82/x
3. Step 3: Cross multiply
   10,047.38x = 13,865.38 × 5,571.82
4. Step 4: Simplify right side
   10,047.38x = 77,255,404.99
5. Step 5: Solve for x
   x = 77,255,404.99/10,047.38
6. Step 6: Final answer
   x = 7,689.11