Finding the Fourth Proportional to 1,383.38, 1,922.16 and 1,368.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.38 : 1,922.16 = 1,368.93 : x
2. Step 2: Convert to fraction form
   1,383.38/1,922.16 = 1,368.93/x
3. Step 3: Cross multiply
   1,383.38x = 1,922.16 × 1,368.93
4. Step 4: Simplify right side
   1,383.38x = 2,631,314.83
5. Step 5: Solve for x
   x = 2,631,314.83/1,383.38
6. Step 6: Final answer
   x = 1,902.09