Finding the Fourth Proportional to 2,515.86, 3,763.71 and 1,575.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515.86 : 3,763.71 = 1,575.54 : x
2. Step 2: Convert to fraction form
   2,515.86/3,763.71 = 1,575.54/x
3. Step 3: Cross multiply
   2,515.86x = 3,763.71 × 1,575.54
4. Step 4: Simplify right side
   2,515.86x = 5,929,875.65
5. Step 5: Solve for x
   x = 5,929,875.65/2,515.86
6. Step 6: Final answer
   x = 2,357.00