Finding the Fourth Proportional to 10,254.72, 14,151.10 and 5,779.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,254.72 : 14,151.10 = 5,779.38 : x
2. Step 2: Convert to fraction form
   10,254.72/14,151.10 = 5,779.38/x
3. Step 3: Cross multiply
   10,254.72x = 14,151.10 × 5,779.38
4. Step 4: Simplify right side
   10,254.72x = 81,784,584.32
5. Step 5: Solve for x
   x = 81,784,584.32/10,254.72
6. Step 6: Final answer
   x = 7,975.31