Finding the Fourth Proportional to 10,493.76, 14,481.41 and 5,778.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,493.76 : 14,481.41 = 5,778.05 : x
2. Step 2: Convert to fraction form
   10,493.76/14,481.41 = 5,778.05/x
3. Step 3: Cross multiply
   10,493.76x = 14,481.41 × 5,778.05
4. Step 4: Simplify right side
   10,493.76x = 83,674,318.36
5. Step 5: Solve for x
   x = 83,674,318.36/10,493.76
6. Step 6: Final answer
   x = 7,973.72