Finding the Fourth Proportional to 10,086.98, 13,919.83 and 5,610.64

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.98 : 13,919.83 = 5,610.64 : x
2. Step 2: Convert to fraction form
   10,086.98/13,919.83 = 5,610.64/x
3. Step 3: Cross multiply
   10,086.98x = 13,919.83 × 5,610.64
4. Step 4: Simplify right side
   10,086.98x = 78,099,057.34
5. Step 5: Solve for x
   x = 78,099,057.34/10,086.98
6. Step 6: Final answer
   x = 7,742.56