Finding the Fourth Proportional to 2,046.90, 2,824.56 and 1,207.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.90 : 2,824.56 = 1,207.55 : x
2. Step 2: Convert to fraction form
   2,046.90/2,824.56 = 1,207.55/x
3. Step 3: Cross multiply
   2,046.90x = 2,824.56 × 1,207.55
4. Step 4: Simplify right side
   2,046.90x = 3,410,795.69
5. Step 5: Solve for x
   x = 3,410,795.69/2,046.90
6. Step 6: Final answer
   x = 1,666.33