Finding the Fourth Proportional to 10,782.72, 14,862.24 and 7,419.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,782.72 : 14,862.24 = 7,419.84 : x
2. Step 2: Convert to fraction form
   10,782.72/14,862.24 = 7,419.84/x
3. Step 3: Cross multiply
   10,782.72x = 14,862.24 × 7,419.84
4. Step 4: Simplify right side
   10,782.72x = 110,275,442.84
5. Step 5: Solve for x
   x = 110,275,442.84/10,782.72
6. Step 6: Final answer
   x = 10,227.05