Finding the Fourth Proportional to 3,856.83, 5,777.53 and 1,773.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856.83 : 5,777.53 = 1,773.98 : x
2. Step 2: Convert to fraction form
   3,856.83/5,777.53 = 1,773.98/x
3. Step 3: Cross multiply
   3,856.83x = 5,777.53 × 1,773.98
4. Step 4: Simplify right side
   3,856.83x = 10,249,222.67
5. Step 5: Solve for x
   x = 10,249,222.67/3,856.83
6. Step 6: Final answer
   x = 2,657.42