Finding the Fourth Proportional to 10,933.86, 16,403.46 and 3,142.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,933.86 : 16,403.46 = 3,142.62 : x
2. Step 2: Convert to fraction form
   10,933.86/16,403.46 = 3,142.62/x
3. Step 3: Cross multiply
   10,933.86x = 16,403.46 × 3,142.62
4. Step 4: Simplify right side
   10,933.86x = 51,549,841.47
5. Step 5: Solve for x
   x = 51,549,841.47/10,933.86
6. Step 6: Final answer
   x = 4,714.70