Finding the Fourth Proportional to 10,419.56, 14,379.01 and 5,703.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,419.56 : 14,379.01 = 5,703.86 : x
2. Step 2: Convert to fraction form
   10,419.56/14,379.01 = 5,703.86/x
3. Step 3: Cross multiply
   10,419.56x = 14,379.01 × 5,703.86
4. Step 4: Simplify right side
   10,419.56x = 82,015,773.82
5. Step 5: Solve for x
   x = 82,015,773.82/10,419.56
6. Step 6: Final answer
   x = 7,871.33