Finding the Fourth Proportional to 10,255.70, 14,153.04 and 5,779.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,255.70 : 14,153.04 = 5,779.53 : x
2. Step 2: Convert to fraction form
   10,255.70/14,153.04 = 5,779.53/x
3. Step 3: Cross multiply
   10,255.70x = 14,153.04 × 5,779.53
4. Step 4: Simplify right side
   10,255.70x = 81,797,887.59
5. Step 5: Solve for x
   x = 81,797,887.59/10,255.70
6. Step 6: Final answer
   x = 7,975.85