Finding the Fourth Proportional to 3,820.96, 5,271.34 and 2,545.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.96 : 5,271.34 = 2,545.41 : x
2. Step 2: Convert to fraction form
   3,820.96/5,271.34 = 2,545.41/x
3. Step 3: Cross multiply
   3,820.96x = 5,271.34 × 2,545.41
4. Step 4: Simplify right side
   3,820.96x = 13,417,721.55
5. Step 5: Solve for x
   x = 13,417,721.55/3,820.96
6. Step 6: Final answer
   x = 3,511.61