Finding the Fourth Proportional to 10,047.60, 13,865.69 and 5,571.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.60 : 13,865.69 = 5,571.41 : x
2. Step 2: Convert to fraction form
   10,047.60/13,865.69 = 5,571.41/x
3. Step 3: Cross multiply
   10,047.60x = 13,865.69 × 5,571.41
4. Step 4: Simplify right side
   10,047.60x = 77,251,388.52
5. Step 5: Solve for x
   x = 77,251,388.52/10,047.60
6. Step 6: Final answer
   x = 7,688.54