Finding the Fourth Proportional to 9,200.84, 12,696.72 and 5,009

Step by Step Solution

1. Step 1: Write the proportion equation
   9,200.84 : 12,696.72 = 5,009 : x
2. Step 2: Convert to fraction form
   9,200.84/12,696.72 = 5,009/x
3. Step 3: Cross multiply
   9,200.84x = 12,696.72 × 5,009
4. Step 4: Simplify right side
   9,200.84x = 63,597,870.48
5. Step 5: Solve for x
   x = 63,597,870.48/9,200.84
6. Step 6: Final answer
   x = 6,912.18