Finding the Fourth Proportional to 10,933.50, 16,403.02 and 3,142.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,933.50 : 16,403.02 = 3,142.32 : x
2. Step 2: Convert to fraction form
   10,933.50/16,403.02 = 3,142.32/x
3. Step 3: Cross multiply
   10,933.50x = 16,403.02 × 3,142.32
4. Step 4: Simplify right side
   10,933.50x = 51,543,537.81
5. Step 5: Solve for x
   x = 51,543,537.81/10,933.50
6. Step 6: Final answer
   x = 4,714.28