Finding the Fourth Proportional to 8,470.84, 12,700.83 and 2,847.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,470.84 : 12,700.83 = 2,847.82 : x
2. Step 2: Convert to fraction form
   8,470.84/12,700.83 = 2,847.82/x
3. Step 3: Cross multiply
   8,470.84x = 12,700.83 × 2,847.82
4. Step 4: Simplify right side
   8,470.84x = 36,169,677.69
5. Step 5: Solve for x
   x = 36,169,677.69/8,470.84
6. Step 6: Final answer
   x = 4,269.90