Finding the Fourth Proportional to 8,314.86, 12,480.72 and 4,157.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,314.86 : 12,480.72 = 4,157.84 : x
2. Step 2: Convert to fraction form
   8,314.86/12,480.72 = 4,157.84/x
3. Step 3: Cross multiply
   8,314.86x = 12,480.72 × 4,157.84
4. Step 4: Simplify right side
   8,314.86x = 51,892,836.84
5. Step 5: Solve for x
   x = 51,892,836.84/8,314.86
6. Step 6: Final answer
   x = 6,240.98