Finding the Fourth Proportional to 1,404.96, 2,103.52 and 1,015.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.96 : 2,103.52 = 1,015.36 : x
2. Step 2: Convert to fraction form
   1,404.96/2,103.52 = 1,015.36/x
3. Step 3: Cross multiply
   1,404.96x = 2,103.52 × 1,015.36
4. Step 4: Simplify right side
   1,404.96x = 2,135,830.07
5. Step 5: Solve for x
   x = 2,135,830.07/1,404.96
6. Step 6: Final answer
   x = 1,520.21