Finding the Fourth Proportional to 2,590.17, 3,886.41 and 1,357.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.17 : 3,886.41 = 1,357.29 : x
2. Step 2: Convert to fraction form
   2,590.17/3,886.41 = 1,357.29/x
3. Step 3: Cross multiply
   2,590.17x = 3,886.41 × 1,357.29
4. Step 4: Simplify right side
   2,590.17x = 5,274,975.48
5. Step 5: Solve for x
   x = 5,274,975.48/2,590.17
6. Step 6: Final answer
   x = 2,036.54