Finding the Fourth Proportional to 3,973.54, 5,960.86 and 1,199.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973.54 : 5,960.86 = 1,199.89 : x
2. Step 2: Convert to fraction form
   3,973.54/5,960.86 = 1,199.89/x
3. Step 3: Cross multiply
   3,973.54x = 5,960.86 × 1,199.89
4. Step 4: Simplify right side
   3,973.54x = 7,152,391.21
5. Step 5: Solve for x
   x = 7,152,391.21/3,973.54
6. Step 6: Final answer
   x = 1,800.01