Finding the Fourth Proportional to 8,314.96, 12,449.94 and 5,187.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,314.96 : 12,449.94 = 5,187.46 : x
2. Step 2: Convert to fraction form
   8,314.96/12,449.94 = 5,187.46/x
3. Step 3: Cross multiply
   8,314.96x = 12,449.94 × 5,187.46
4. Step 4: Simplify right side
   8,314.96x = 64,583,565.75
5. Step 5: Solve for x
   x = 64,583,565.75/8,314.96
6. Step 6: Final answer
   x = 7,767.15