Finding the Fourth Proportional to 1,358.73, 1,874.60 and 938.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358.73 : 1,874.60 = 938.93 : x
2. Step 2: Convert to fraction form
   1,358.73/1,874.60 = 938.93/x
3. Step 3: Cross multiply
   1,358.73x = 1,874.60 × 938.93
4. Step 4: Simplify right side
   1,358.73x = 1,760,111.14
5. Step 5: Solve for x
   x = 1,760,111.14/1,358.73
6. Step 6: Final answer
   x = 1,295.41