Finding the Fourth Proportional to 2,590.89, 3,888.02 and 1,357.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.89 : 3,888.02 = 1,357.93 : x
2. Step 2: Convert to fraction form
   2,590.89/3,888.02 = 1,357.93/x
3. Step 3: Cross multiply
   2,590.89x = 3,888.02 × 1,357.93
4. Step 4: Simplify right side
   2,590.89x = 5,279,659.00
5. Step 5: Solve for x
   x = 5,279,659.00/2,590.89
6. Step 6: Final answer
   x = 2,037.78