Finding the Fourth Proportional to 2,003.94, 2,980.46 and 1,962.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.94 : 2,980.46 = 1,962.43 : x
2. Step 2: Convert to fraction form
   2,003.94/2,980.46 = 1,962.43/x
3. Step 3: Cross multiply
   2,003.94x = 2,980.46 × 1,962.43
4. Step 4: Simplify right side
   2,003.94x = 5,848,941.57
5. Step 5: Solve for x
   x = 5,848,941.57/2,003.94
6. Step 6: Final answer
   x = 2,918.72