Finding the Fourth Proportional to 2,590.38, 3,575.14 and 1,528.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.38 : 3,575.14 = 1,528.17 : x
2. Step 2: Convert to fraction form
   2,590.38/3,575.14 = 1,528.17/x
3. Step 3: Cross multiply
   2,590.38x = 3,575.14 × 1,528.17
4. Step 4: Simplify right side
   2,590.38x = 5,463,404.47
5. Step 5: Solve for x
   x = 5,463,404.47/2,590.38
6. Step 6: Final answer
   x = 2,109.11