Finding the Fourth Proportional to 2,590.67, 3,884.78 and 1,356.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.67 : 3,884.78 = 1,356.84 : x
2. Step 2: Convert to fraction form
   2,590.67/3,884.78 = 1,356.84/x
3. Step 3: Cross multiply
   2,590.67x = 3,884.78 × 1,356.84
4. Step 4: Simplify right side
   2,590.67x = 5,271,024.90
5. Step 5: Solve for x
   x = 5,271,024.90/2,590.67
6. Step 6: Final answer
   x = 2,034.62