Finding the Fourth Proportional to 3,012.32, 4,519.61 and 1,258.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,012.32 : 4,519.61 = 1,258.50 : x
2. Step 2: Convert to fraction form
   3,012.32/4,519.61 = 1,258.50/x
3. Step 3: Cross multiply
   3,012.32x = 4,519.61 × 1,258.50
4. Step 4: Simplify right side
   3,012.32x = 5,687,932.33
5. Step 5: Solve for x
   x = 5,687,932.33/3,012.32
6. Step 6: Final answer
   x = 1,888.23