Finding the Fourth Proportional to 3,911.76, 5,854.77 and 2,521.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,911.76 : 5,854.77 = 2,521.53 : x
2. Step 2: Convert to fraction form
   3,911.76/5,854.77 = 2,521.53/x
3. Step 3: Cross multiply
   3,911.76x = 5,854.77 × 2,521.53
4. Step 4: Simplify right side
   3,911.76x = 14,762,978.20
5. Step 5: Solve for x
   x = 14,762,978.20/3,911.76
6. Step 6: Final answer
   x = 3,774.00