Finding the Fourth Proportional to 2,590.50, 3,886.90 and 1,357.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.50 : 3,886.90 = 1,357.62 : x
2. Step 2: Convert to fraction form
   2,590.50/3,886.90 = 1,357.62/x
3. Step 3: Cross multiply
   2,590.50x = 3,886.90 × 1,357.62
4. Step 4: Simplify right side
   2,590.50x = 5,276,933.78
5. Step 5: Solve for x
   x = 5,276,933.78/2,590.50
6. Step 6: Final answer
   x = 2,037.03