Finding the Fourth Proportional to 1,434.78, 2,152.37 and 704.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.78 : 2,152.37 = 704.38 : x
2. Step 2: Convert to fraction form
   1,434.78/2,152.37 = 704.38/x
3. Step 3: Cross multiply
   1,434.78x = 2,152.37 × 704.38
4. Step 4: Simplify right side
   1,434.78x = 1,516,086.38
5. Step 5: Solve for x
   x = 1,516,086.38/1,434.78
6. Step 6: Final answer
   x = 1,056.67