Finding the Fourth Proportional to 2,511.86, 3,768.04 and 868.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,511.86 : 3,768.04 = 868.52 : x
2. Step 2: Convert to fraction form
   2,511.86/3,768.04 = 868.52/x
3. Step 3: Cross multiply
   2,511.86x = 3,768.04 × 868.52
4. Step 4: Simplify right side
   2,511.86x = 3,272,618.10
5. Step 5: Solve for x
   x = 3,272,618.10/2,511.86
6. Step 6: Final answer
   x = 1,302.87