Finding the Fourth Proportional to 3,116.32, 4,648.94 and 3,031.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,116.32 : 4,648.94 = 3,031.57 : x
2. Step 2: Convert to fraction form
   3,116.32/4,648.94 = 3,031.57/x
3. Step 3: Cross multiply
   3,116.32x = 4,648.94 × 3,031.57
4. Step 4: Simplify right side
   3,116.32x = 14,093,587.04
5. Step 5: Solve for x
   x = 14,093,587.04/3,116.32
6. Step 6: Final answer
   x = 4,522.51