Finding the Fourth Proportional to 2,346.18, 3,514.56 and 1,114.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,346.18 : 3,514.56 = 1,114.78 : x
2. Step 2: Convert to fraction form
   2,346.18/3,514.56 = 1,114.78/x
3. Step 3: Cross multiply
   2,346.18x = 3,514.56 × 1,114.78
4. Step 4: Simplify right side
   2,346.18x = 3,917,961.20
5. Step 5: Solve for x
   x = 3,917,961.20/2,346.18
6. Step 6: Final answer
   x = 1,669.93