Finding the Fourth Proportional to 8,300.84, 12,446.94 and 3,917.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300.84 : 12,446.94 = 3,917.12 : x
2. Step 2: Convert to fraction form
   8,300.84/12,446.94 = 3,917.12/x
3. Step 3: Cross multiply
   8,300.84x = 12,446.94 × 3,917.12
4. Step 4: Simplify right side
   8,300.84x = 48,756,157.61
5. Step 5: Solve for x
   x = 48,756,157.61/8,300.84
6. Step 6: Final answer
   x = 5,873.64