Finding the Fourth Proportional to 10,047.77, 13,865.41 and 5,571.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.77 : 13,865.41 = 5,571.48 : x
2. Step 2: Convert to fraction form
   10,047.77/13,865.41 = 5,571.48/x
3. Step 3: Cross multiply
   10,047.77x = 13,865.41 × 5,571.48
4. Step 4: Simplify right side
   10,047.77x = 77,250,854.51
5. Step 5: Solve for x
   x = 77,250,854.51/10,047.77
6. Step 6: Final answer
   x = 7,688.36