Finding the Fourth Proportional to 1,946.72, 2,685.71 and 1,199.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,946.72 : 2,685.71 = 1,199.38 : x
2. Step 2: Convert to fraction form
   1,946.72/2,685.71 = 1,199.38/x
3. Step 3: Cross multiply
   1,946.72x = 2,685.71 × 1,199.38
4. Step 4: Simplify right side
   1,946.72x = 3,221,186.86
5. Step 5: Solve for x
   x = 3,221,186.86/1,946.72
6. Step 6: Final answer
   x = 1,654.67