Finding the Fourth Proportional to 5,614.21, 8,416.86 and 3,641.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,614.21 : 8,416.86 = 3,641.86 : x
2. Step 2: Convert to fraction form
   5,614.21/8,416.86 = 3,641.86/x
3. Step 3: Cross multiply
   5,614.21x = 8,416.86 × 3,641.86
4. Step 4: Simplify right side
   5,614.21x = 30,653,025.76
5. Step 5: Solve for x
   x = 30,653,025.76/5,614.21
6. Step 6: Final answer
   x = 5,459.90