Finding the Fourth Proportional to 1,976.17, 2,725.32 and 1,229.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.17 : 2,725.32 = 1,229.89 : x
2. Step 2: Convert to fraction form
   1,976.17/2,725.32 = 1,229.89/x
3. Step 3: Cross multiply
   1,976.17x = 2,725.32 × 1,229.89
4. Step 4: Simplify right side
   1,976.17x = 3,351,843.81
5. Step 5: Solve for x
   x = 3,351,843.81/1,976.17
6. Step 6: Final answer
   x = 1,696.13