Finding the Fourth Proportional to 2,047.41, 2,825.42 and 1,115.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.41 : 2,825.42 = 1,115.91 : x
2. Step 2: Convert to fraction form
   2,047.41/2,825.42 = 1,115.91/x
3. Step 3: Cross multiply
   2,047.41x = 2,825.42 × 1,115.91
4. Step 4: Simplify right side
   2,047.41x = 3,152,917.22
5. Step 5: Solve for x
   x = 3,152,917.22/2,047.41
6. Step 6: Final answer
   x = 1,539.95