Finding the Fourth Proportional to 10,046.90, 13,865.46 and 5,571.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,046.90 : 13,865.46 = 5,571.05 : x
2. Step 2: Convert to fraction form
   10,046.90/13,865.46 = 5,571.05/x
3. Step 3: Cross multiply
   10,046.90x = 13,865.46 × 5,571.05
4. Step 4: Simplify right side
   10,046.90x = 77,245,170.93
5. Step 5: Solve for x
   x = 77,245,170.93/10,046.90
6. Step 6: Final answer
   x = 7,688.46