Finding the Fourth Proportional to 3,973.79, 5,956.71 and 1,993.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973.79 : 5,956.71 = 1,993.37 : x
2. Step 2: Convert to fraction form
   3,973.79/5,956.71 = 1,993.37/x
3. Step 3: Cross multiply
   3,973.79x = 5,956.71 × 1,993.37
4. Step 4: Simplify right side
   3,973.79x = 11,873,897.23
5. Step 5: Solve for x
   x = 11,873,897.23/3,973.79
6. Step 6: Final answer
   x = 2,988.06