Finding the Fourth Proportional to 2,477.15, 3,714.30 and 1,015.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.15 : 3,714.30 = 1,015.50 : x
2. Step 2: Convert to fraction form
   2,477.15/3,714.30 = 1,015.50/x
3. Step 3: Cross multiply
   2,477.15x = 3,714.30 × 1,015.50
4. Step 4: Simplify right side
   2,477.15x = 3,771,871.65
5. Step 5: Solve for x
   x = 3,771,871.65/2,477.15
6. Step 6: Final answer
   x = 1,522.67