Finding the Fourth Proportional to 1,787.34, 2,468.46 and 1,229.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,787.34 : 2,468.46 = 1,229.28 : x
2. Step 2: Convert to fraction form
   1,787.34/2,468.46 = 1,229.28/x
3. Step 3: Cross multiply
   1,787.34x = 2,468.46 × 1,229.28
4. Step 4: Simplify right side
   1,787.34x = 3,034,428.51
5. Step 5: Solve for x
   x = 3,034,428.51/1,787.34
6. Step 6: Final answer
   x = 1,697.73