Finding the Fourth Proportional to 3,579.18, 5,366.82 and 1,113.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,579.18 : 5,366.82 = 1,113.33 : x
2. Step 2: Convert to fraction form
   3,579.18/5,366.82 = 1,113.33/x
3. Step 3: Cross multiply
   3,579.18x = 5,366.82 × 1,113.33
4. Step 4: Simplify right side
   3,579.18x = 5,975,041.71
5. Step 5: Solve for x
   x = 5,975,041.71/3,579.18
6. Step 6: Final answer
   x = 1,669.39