Finding the Fourth Proportional to 1,662.03, 2,488.38 and 1,113.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.03 : 2,488.38 = 1,113.16 : x
2. Step 2: Convert to fraction form
   1,662.03/2,488.38 = 1,113.16/x
3. Step 3: Cross multiply
   1,662.03x = 2,488.38 × 1,113.16
4. Step 4: Simplify right side
   1,662.03x = 2,769,965.08
5. Step 5: Solve for x
   x = 2,769,965.08/1,662.03
6. Step 6: Final answer
   x = 1,666.62