Finding the Fourth Proportional to 9,099.84, 13,644.72 and 4,936.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,099.84 : 13,644.72 = 4,936.80 : x
2. Step 2: Convert to fraction form
   9,099.84/13,644.72 = 4,936.80/x
3. Step 3: Cross multiply
   9,099.84x = 13,644.72 × 4,936.80
4. Step 4: Simplify right side
   9,099.84x = 67,361,253.70
5. Step 5: Solve for x
   x = 67,361,253.70/9,099.84
6. Step 6: Final answer
   x = 7,402.47