Finding the Fourth Proportional to 3,062.34, 4,590.78 and 1,113.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,062.34 : 4,590.78 = 1,113.18 : x
2. Step 2: Convert to fraction form
   3,062.34/4,590.78 = 1,113.18/x
3. Step 3: Cross multiply
   3,062.34x = 4,590.78 × 1,113.18
4. Step 4: Simplify right side
   3,062.34x = 5,110,364.48
5. Step 5: Solve for x
   x = 5,110,364.48/3,062.34
6. Step 6: Final answer
   x = 1,668.78