Finding the Fourth Proportional to 10,984.38, 16,478.63 and 4,411.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,984.38 : 16,478.63 = 4,411.07 : x
2. Step 2: Convert to fraction form
   10,984.38/16,478.63 = 4,411.07/x
3. Step 3: Cross multiply
   10,984.38x = 16,478.63 × 4,411.07
4. Step 4: Simplify right side
   10,984.38x = 72,688,390.43
5. Step 5: Solve for x
   x = 72,688,390.43/10,984.38
6. Step 6: Final answer
   x = 6,617.43