Finding the Fourth Proportional to 10,086.92, 13,919.74 and 5,610.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.92 : 13,919.74 = 5,610.57 : x
2. Step 2: Convert to fraction form
   10,086.92/13,919.74 = 5,610.57/x
3. Step 3: Cross multiply
   10,086.92x = 13,919.74 × 5,610.57
4. Step 4: Simplify right side
   10,086.92x = 78,097,675.65
5. Step 5: Solve for x
   x = 78,097,675.65/10,086.92
6. Step 6: Final answer
   x = 7,742.47