Finding the Fourth Proportional to 3,840.54, 5,321.34 and 3,757.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,840.54 : 5,321.34 = 3,757.50 : x
2. Step 2: Convert to fraction form
   3,840.54/5,321.34 = 3,757.50/x
3. Step 3: Cross multiply
   3,840.54x = 5,321.34 × 3,757.50
4. Step 4: Simplify right side
   3,840.54x = 19,994,935.05
5. Step 5: Solve for x
   x = 19,994,935.05/3,840.54
6. Step 6: Final answer
   x = 5,206.28