Finding the Fourth Proportional to 1,662.90, 2,492.57 and 1,250.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.90 : 2,492.57 = 1,250.81 : x
2. Step 2: Convert to fraction form
   1,662.90/2,492.57 = 1,250.81/x
3. Step 3: Cross multiply
   1,662.90x = 2,492.57 × 1,250.81
4. Step 4: Simplify right side
   1,662.90x = 3,117,731.49
5. Step 5: Solve for x
   x = 3,117,731.49/1,662.90
6. Step 6: Final answer
   x = 1,874.88