Finding the Fourth Proportional to 1,662.84, 2,290.50 and 1,269.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.84 : 2,290.50 = 1,269.18 : x
2. Step 2: Convert to fraction form
   1,662.84/2,290.50 = 1,269.18/x
3. Step 3: Cross multiply
   1,662.84x = 2,290.50 × 1,269.18
4. Step 4: Simplify right side
   1,662.84x = 2,907,056.79
5. Step 5: Solve for x
   x = 2,907,056.79/1,662.84
6. Step 6: Final answer
   x = 1,748.25