Finding the Fourth Proportional to 9,300.84, 13,949.28 and 4,372.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,300.84 : 13,949.28 = 4,372.80 : x
2. Step 2: Convert to fraction form
   9,300.84/13,949.28 = 4,372.80/x
3. Step 3: Cross multiply
   9,300.84x = 13,949.28 × 4,372.80
4. Step 4: Simplify right side
   9,300.84x = 60,997,411.58
5. Step 5: Solve for x
   x = 60,997,411.58/9,300.84
6. Step 6: Final answer
   x = 6,558.27