Finding the Fourth Proportional to 10,253.97, 14,150.42 and 5,779.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,253.97 : 14,150.42 = 5,779.17 : x
2. Step 2: Convert to fraction form
   10,253.97/14,150.42 = 5,779.17/x
3. Step 3: Cross multiply
   10,253.97x = 14,150.42 × 5,779.17
4. Step 4: Simplify right side
   10,253.97x = 81,777,653.86
5. Step 5: Solve for x
   x = 81,777,653.86/10,253.97
6. Step 6: Final answer
   x = 7,975.22