Finding the Fourth Proportional to 3,514.86, 5,256.79 and 3,127.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,514.86 : 5,256.79 = 3,127.59 : x
2. Step 2: Convert to fraction form
   3,514.86/5,256.79 = 3,127.59/x
3. Step 3: Cross multiply
   3,514.86x = 5,256.79 × 3,127.59
4. Step 4: Simplify right side
   3,514.86x = 16,441,076.02
5. Step 5: Solve for x
   x = 16,441,076.02/3,514.86
6. Step 6: Final answer
   x = 4,677.59