Finding the Fourth Proportional to 1,036.32, 1,553.52 and 711.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.32 : 1,553.52 = 711.36 : x
2. Step 2: Convert to fraction form
   1,036.32/1,553.52 = 711.36/x
3. Step 3: Cross multiply
   1,036.32x = 1,553.52 × 711.36
4. Step 4: Simplify right side
   1,036.32x = 1,105,111.99
5. Step 5: Solve for x
   x = 1,105,111.99/1,036.32
6. Step 6: Final answer
   x = 1,066.38