Finding the Fourth Proportional to 3,481.18, 5,220.72 and 1,015.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,481.18 : 5,220.72 = 1,015.34 : x
2. Step 2: Convert to fraction form
   3,481.18/5,220.72 = 1,015.34/x
3. Step 3: Cross multiply
   3,481.18x = 5,220.72 × 1,015.34
4. Step 4: Simplify right side
   3,481.18x = 5,300,779.74
5. Step 5: Solve for x
   x = 5,300,779.74/3,481.18
6. Step 6: Final answer
   x = 1,522.70