Finding the Fourth Proportional to 1,973.43, 2,942.50 and 1,902.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,973.43 : 2,942.50 = 1,902.28 : x
2. Step 2: Convert to fraction form
   1,973.43/2,942.50 = 1,902.28/x
3. Step 3: Cross multiply
   1,973.43x = 2,942.50 × 1,902.28
4. Step 4: Simplify right side
   1,973.43x = 5,597,458.90
5. Step 5: Solve for x
   x = 5,597,458.90/1,973.43
6. Step 6: Final answer
   x = 2,836.41