Finding the Fourth Proportional to 2,046.72, 2,824.55 and 1,115.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.72 : 2,824.55 = 1,115.22 : x
2. Step 2: Convert to fraction form
   2,046.72/2,824.55 = 1,115.22/x
3. Step 3: Cross multiply
   2,046.72x = 2,824.55 × 1,115.22
4. Step 4: Simplify right side
   2,046.72x = 3,149,994.65
5. Step 5: Solve for x
   x = 3,149,994.65/2,046.72
6. Step 6: Final answer
   x = 1,539.05