Finding the Fourth Proportional to 1,662.64, 2,495.48 and 841.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.64 : 2,495.48 = 841.49 : x
2. Step 2: Convert to fraction form
   1,662.64/2,495.48 = 841.49/x
3. Step 3: Cross multiply
   1,662.64x = 2,495.48 × 841.49
4. Step 4: Simplify right side
   1,662.64x = 2,099,921.47
5. Step 5: Solve for x
   x = 2,099,921.47/1,662.64
6. Step 6: Final answer
   x = 1,263.00