Finding the Fourth Proportional to 10,483.20, 14,467.11 and 5,767.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,483.20 : 14,467.11 = 5,767.78 : x
2. Step 2: Convert to fraction form
   10,483.20/14,467.11 = 5,767.78/x
3. Step 3: Cross multiply
   10,483.20x = 14,467.11 × 5,767.78
4. Step 4: Simplify right side
   10,483.20x = 83,443,107.72
5. Step 5: Solve for x
   x = 83,443,107.72/10,483.20
6. Step 6: Final answer
   x = 7,959.70