Finding the Fourth Proportional to 3,973.83, 5,961.57 and 1,200.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973.83 : 5,961.57 = 1,200.76 : x
2. Step 2: Convert to fraction form
   3,973.83/5,961.57 = 1,200.76/x
3. Step 3: Cross multiply
   3,973.83x = 5,961.57 × 1,200.76
4. Step 4: Simplify right side
   3,973.83x = 7,158,395.39
5. Step 5: Solve for x
   x = 7,158,395.39/3,973.83
6. Step 6: Final answer
   x = 1,801.39