Finding the Fourth Proportional to 1,973.18, 2,942.13 and 1,902.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,973.18 : 2,942.13 = 1,902.03 : x
2. Step 2: Convert to fraction form
   1,973.18/2,942.13 = 1,902.03/x
3. Step 3: Cross multiply
   1,973.18x = 2,942.13 × 1,902.03
4. Step 4: Simplify right side
   1,973.18x = 5,596,019.52
5. Step 5: Solve for x
   x = 5,596,019.52/1,973.18
6. Step 6: Final answer
   x = 2,836.05