Finding the Fourth Proportional to 10,419.75, 14,379.39 and 5,703.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,419.75 : 14,379.39 = 5,703.93 : x
2. Step 2: Convert to fraction form
   10,419.75/14,379.39 = 5,703.93/x
3. Step 3: Cross multiply
   10,419.75x = 14,379.39 × 5,703.93
4. Step 4: Simplify right side
   10,419.75x = 82,019,034.00
5. Step 5: Solve for x
   x = 82,019,034.00/10,419.75
6. Step 6: Final answer
   x = 7,871.50