Finding the Fourth Proportional to 1,041.36, 1,436.56 and 710.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,041.36 : 1,436.56 = 710.56 : x
2. Step 2: Convert to fraction form
   1,041.36/1,436.56 = 710.56/x
3. Step 3: Cross multiply
   1,041.36x = 1,436.56 × 710.56
4. Step 4: Simplify right side
   1,041.36x = 1,020,762.07
5. Step 5: Solve for x
   x = 1,020,762.07/1,041.36
6. Step 6: Final answer
   x = 980.22