Finding the Fourth Proportional to 10,047.47, 13,864.22 and 5,571.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.47 : 13,864.22 = 5,571.18 : x
2. Step 2: Convert to fraction form
   10,047.47/13,864.22 = 5,571.18/x
3. Step 3: Cross multiply
   10,047.47x = 13,864.22 × 5,571.18
4. Step 4: Simplify right side
   10,047.47x = 77,240,065.18
5. Step 5: Solve for x
   x = 77,240,065.18/10,047.47
6. Step 6: Final answer
   x = 7,687.51