Finding the Fourth Proportional to 10,933.75, 16,403.42 and 3,142.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,933.75 : 16,403.42 = 3,142.59 : x
2. Step 2: Convert to fraction form
   10,933.75/16,403.42 = 3,142.59/x
3. Step 3: Cross multiply
   10,933.75x = 16,403.42 × 3,142.59
4. Step 4: Simplify right side
   10,933.75x = 51,549,223.66
5. Step 5: Solve for x
   x = 51,549,223.66/10,933.75
6. Step 6: Final answer
   x = 4,714.69