Finding the Fourth Proportional to 3,513.60, 5,271.09 and 1,048.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,513.60 : 5,271.09 = 1,048.37 : x
2. Step 2: Convert to fraction form
   3,513.60/5,271.09 = 1,048.37/x
3. Step 3: Cross multiply
   3,513.60x = 5,271.09 × 1,048.37
4. Step 4: Simplify right side
   3,513.60x = 5,526,022.34
5. Step 5: Solve for x
   x = 5,526,022.34/3,513.60
6. Step 6: Final answer
   x = 1,572.75