Finding the Fourth Proportional to 10,255.36, 14,150.84 and 5,779.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,255.36 : 14,150.84 = 5,779.03 : x
2. Step 2: Convert to fraction form
   10,255.36/14,150.84 = 5,779.03/x
3. Step 3: Cross multiply
   10,255.36x = 14,150.84 × 5,779.03
4. Step 4: Simplify right side
   10,255.36x = 81,778,175.22
5. Step 5: Solve for x
   x = 81,778,175.22/10,255.36
6. Step 6: Final answer
   x = 7,974.19