Finding the Fourth Proportional to 2,478.52, 3,714.60 and 1,015.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478.52 : 3,714.60 = 1,015.92 : x
2. Step 2: Convert to fraction form
   2,478.52/3,714.60 = 1,015.92/x
3. Step 3: Cross multiply
   2,478.52x = 3,714.60 × 1,015.92
4. Step 4: Simplify right side
   2,478.52x = 3,773,736.43
5. Step 5: Solve for x
   x = 3,773,736.43/2,478.52
6. Step 6: Final answer
   x = 1,522.58