Finding the Fourth Proportional to 1,662.66, 2,495.54 and 841.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.66 : 2,495.54 = 841.52 : x
2. Step 2: Convert to fraction form
   1,662.66/2,495.54 = 841.52/x
3. Step 3: Cross multiply
   1,662.66x = 2,495.54 × 841.52
4. Step 4: Simplify right side
   1,662.66x = 2,100,046.82
5. Step 5: Solve for x
   x = 2,100,046.82/1,662.66
6. Step 6: Final answer
   x = 1,263.06