Finding the Fourth Proportional to 3,648.63, 5,471.87 and 1,015.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.63 : 5,471.87 = 1,015.53 : x
2. Step 2: Convert to fraction form
   3,648.63/5,471.87 = 1,015.53/x
3. Step 3: Cross multiply
   3,648.63x = 5,471.87 × 1,015.53
4. Step 4: Simplify right side
   3,648.63x = 5,556,848.14
5. Step 5: Solve for x
   x = 5,556,848.14/3,648.63
6. Step 6: Final answer
   x = 1,523.00