Finding the Fourth Proportional to 10,357.38, 14,300.55 and 6,379.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,357.38 : 14,300.55 = 6,379.74 : x
2. Step 2: Convert to fraction form
   10,357.38/14,300.55 = 6,379.74/x
3. Step 3: Cross multiply
   10,357.38x = 14,300.55 × 6,379.74
4. Step 4: Simplify right side
   10,357.38x = 91,233,790.86
5. Step 5: Solve for x
   x = 91,233,790.86/10,357.38
6. Step 6: Final answer
   x = 8,808.58