Finding the Fourth Proportional to 7,012.56, 10,514.52 and 3,314.64

Step by Step Solution

1. Step 1: Write the proportion equation
   7,012.56 : 10,514.52 = 3,314.64 : x
2. Step 2: Convert to fraction form
   7,012.56/10,514.52 = 3,314.64/x
3. Step 3: Cross multiply
   7,012.56x = 10,514.52 × 3,314.64
4. Step 4: Simplify right side
   7,012.56x = 34,851,848.57
5. Step 5: Solve for x
   x = 34,851,848.57/7,012.56
6. Step 6: Final answer
   x = 4,969.92