Finding the Fourth Proportional to 10,933.28, 16,395.86 and 4,607.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,933.28 : 16,395.86 = 4,607.72 : x
2. Step 2: Convert to fraction form
   10,933.28/16,395.86 = 4,607.72/x
3. Step 3: Cross multiply
   10,933.28x = 16,395.86 × 4,607.72
4. Step 4: Simplify right side
   10,933.28x = 75,547,461.58
5. Step 5: Solve for x
   x = 75,547,461.58/10,933.28
6. Step 6: Final answer
   x = 6,909.87