Finding the Fourth Proportional to 1,036.32, 1,430.83 and 743.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.32 : 1,430.83 = 743.10 : x
2. Step 2: Convert to fraction form
   1,036.32/1,430.83 = 743.10/x
3. Step 3: Cross multiply
   1,036.32x = 1,430.83 × 743.10
4. Step 4: Simplify right side
   1,036.32x = 1,063,249.77
5. Step 5: Solve for x
   x = 1,063,249.77/1,036.32
6. Step 6: Final answer
   x = 1,025.99