Finding the Fourth Proportional to 3,777.32, 5,675.54 and 2,391.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,777.32 : 5,675.54 = 2,391.30 : x
2. Step 2: Convert to fraction form
   3,777.32/5,675.54 = 2,391.30/x
3. Step 3: Cross multiply
   3,777.32x = 5,675.54 × 2,391.30
4. Step 4: Simplify right side
   3,777.32x = 13,571,906.85
5. Step 5: Solve for x
   x = 13,571,906.85/3,777.32
6. Step 6: Final answer
   x = 3,593.00