Finding the Fourth Proportional to 2,564.08, 3,538.25 and 1,515.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564.08 : 3,538.25 = 1,515.94 : x
2. Step 2: Convert to fraction form
   2,564.08/3,538.25 = 1,515.94/x
3. Step 3: Cross multiply
   2,564.08x = 3,538.25 × 1,515.94
4. Step 4: Simplify right side
   2,564.08x = 5,363,774.71
5. Step 5: Solve for x
   x = 5,363,774.71/2,564.08
6. Step 6: Final answer
   x = 2,091.89