Finding the Fourth Proportional to 2,218.33, 3,326.43 and 1,047.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218.33 : 3,326.43 = 1,047.35 : x
2. Step 2: Convert to fraction form
   2,218.33/3,326.43 = 1,047.35/x
3. Step 3: Cross multiply
   2,218.33x = 3,326.43 × 1,047.35
4. Step 4: Simplify right side
   2,218.33x = 3,483,944.78
5. Step 5: Solve for x
   x = 3,483,944.78/2,218.33
6. Step 6: Final answer
   x = 1,570.53