Finding the Fourth Proportional to 1,036.43, 1,430.61 and 704.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.43 : 1,430.61 = 704.79 : x
2. Step 2: Convert to fraction form
   1,036.43/1,430.61 = 704.79/x
3. Step 3: Cross multiply
   1,036.43x = 1,430.61 × 704.79
4. Step 4: Simplify right side
   1,036.43x = 1,008,283.52
5. Step 5: Solve for x
   x = 1,008,283.52/1,036.43
6. Step 6: Final answer
   x = 972.84