Finding the Fourth Proportional to 2,047.39, 2,825.37 and 1,115.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.39 : 2,825.37 = 1,115.89 : x
2. Step 2: Convert to fraction form
   2,047.39/2,825.37 = 1,115.89/x
3. Step 3: Cross multiply
   2,047.39x = 2,825.37 × 1,115.89
4. Step 4: Simplify right side
   2,047.39x = 3,152,802.13
5. Step 5: Solve for x
   x = 3,152,802.13/2,047.39
6. Step 6: Final answer
   x = 1,539.91