Finding the Fourth Proportional to 3,479.31, 5,219.49 and 1,014.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,479.31 : 5,219.49 = 1,014.30 : x
2. Step 2: Convert to fraction form
   3,479.31/5,219.49 = 1,014.30/x
3. Step 3: Cross multiply
   3,479.31x = 5,219.49 × 1,014.30
4. Step 4: Simplify right side
   3,479.31x = 5,294,128.71
5. Step 5: Solve for x
   x = 5,294,128.71/3,479.31
6. Step 6: Final answer
   x = 1,521.60