Finding the Fourth Proportional to 1,360.02, 1,876.57 and 939.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.02 : 1,876.57 = 939.71 : x
2. Step 2: Convert to fraction form
   1,360.02/1,876.57 = 939.71/x
3. Step 3: Cross multiply
   1,360.02x = 1,876.57 × 939.71
4. Step 4: Simplify right side
   1,360.02x = 1,763,433.94
5. Step 5: Solve for x
   x = 1,763,433.94/1,360.02
6. Step 6: Final answer
   x = 1,296.62