Finding the Fourth Proportional to 1,662.83, 2,492.50 and 1,271.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.83 : 2,492.50 = 1,271.98 : x
2. Step 2: Convert to fraction form
   1,662.83/2,492.50 = 1,271.98/x
3. Step 3: Cross multiply
   1,662.83x = 2,492.50 × 1,271.98
4. Step 4: Simplify right side
   1,662.83x = 3,170,410.15
5. Step 5: Solve for x
   x = 3,170,410.15/1,662.83
6. Step 6: Final answer
   x = 1,906.64