Finding the Fourth Proportional to 1,662.49, 2,492.34 and 1,113

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.49 : 2,492.34 = 1,113 : x
2. Step 2: Convert to fraction form
   1,662.49/2,492.34 = 1,113/x
3. Step 3: Cross multiply
   1,662.49x = 2,492.34 × 1,113
4. Step 4: Simplify right side
   1,662.49x = 2,773,974.42
5. Step 5: Solve for x
   x = 2,773,974.42/1,662.49
6. Step 6: Final answer
   x = 1,668.57