Finding the Fourth Proportional to 3,700.54, 5,550.27 and 1,391.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,700.54 : 5,550.27 = 1,391.50 : x
2. Step 2: Convert to fraction form
   3,700.54/5,550.27 = 1,391.50/x
3. Step 3: Cross multiply
   3,700.54x = 5,550.27 × 1,391.50
4. Step 4: Simplify right side
   3,700.54x = 7,723,200.71
5. Step 5: Solve for x
   x = 7,723,200.71/3,700.54
6. Step 6: Final answer
   x = 2,087.05