Finding the Fourth Proportional to 3,478.82, 5,217.06 and 1,013

Step by Step Solution

1. Step 1: Write the proportion equation
   3,478.82 : 5,217.06 = 1,013 : x
2. Step 2: Convert to fraction form
   3,478.82/5,217.06 = 1,013/x
3. Step 3: Cross multiply
   3,478.82x = 5,217.06 × 1,013
4. Step 4: Simplify right side
   3,478.82x = 5,284,881.78
5. Step 5: Solve for x
   x = 5,284,881.78/3,478.82
6. Step 6: Final answer
   x = 1,519.16