Finding the Fourth Proportional to 1,036.15, 1,430.46 and 756.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.15 : 1,430.46 = 756.10 : x
2. Step 2: Convert to fraction form
   1,036.15/1,430.46 = 756.10/x
3. Step 3: Cross multiply
   1,036.15x = 1,430.46 × 756.10
4. Step 4: Simplify right side
   1,036.15x = 1,081,570.81
5. Step 5: Solve for x
   x = 1,081,570.81/1,036.15
6. Step 6: Final answer
   x = 1,043.84