Finding the Fourth Proportional to 3,513.43, 5,268.52 and 1,047.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,513.43 : 5,268.52 = 1,047.61 : x
2. Step 2: Convert to fraction form
   3,513.43/5,268.52 = 1,047.61/x
3. Step 3: Cross multiply
   3,513.43x = 5,268.52 × 1,047.61
4. Step 4: Simplify right side
   3,513.43x = 5,519,322.66
5. Step 5: Solve for x
   x = 5,519,322.66/3,513.43
6. Step 6: Final answer
   x = 1,570.92