Finding the Fourth Proportional to 10,884.15, 16,320.15 and 4,643.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,884.15 : 16,320.15 = 4,643.10 : x
2. Step 2: Convert to fraction form
   10,884.15/16,320.15 = 4,643.10/x
3. Step 3: Cross multiply
   10,884.15x = 16,320.15 × 4,643.10
4. Step 4: Simplify right side
   10,884.15x = 75,776,088.47
5. Step 5: Solve for x
   x = 75,776,088.47/10,884.15
6. Step 6: Final answer
   x = 6,962.06