Finding the Fourth Proportional to 10,255.38, 14,152.53 and 5,779.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,255.38 : 14,152.53 = 5,779.12 : x
2. Step 2: Convert to fraction form
   10,255.38/14,152.53 = 5,779.12/x
3. Step 3: Cross multiply
   10,255.38x = 14,152.53 × 5,779.12
4. Step 4: Simplify right side
   10,255.38x = 81,789,169.17
5. Step 5: Solve for x
   x = 81,789,169.17/10,255.38
6. Step 6: Final answer
   x = 7,975.25