Finding the Fourth Proportional to 3,513.16, 5,270.78 and 1,048.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,513.16 : 5,270.78 = 1,048.06 : x
2. Step 2: Convert to fraction form
   3,513.16/5,270.78 = 1,048.06/x
3. Step 3: Cross multiply
   3,513.16x = 5,270.78 × 1,048.06
4. Step 4: Simplify right side
   3,513.16x = 5,524,093.69
5. Step 5: Solve for x
   x = 5,524,093.69/3,513.16
6. Step 6: Final answer
   x = 1,572.40