Finding the Fourth Proportional to 1,132.89, 1,698.64 and 1,036.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132.89 : 1,698.64 = 1,036.20 : x
2. Step 2: Convert to fraction form
   1,132.89/1,698.64 = 1,036.20/x
3. Step 3: Cross multiply
   1,132.89x = 1,698.64 × 1,036.20
4. Step 4: Simplify right side
   1,132.89x = 1,760,131.36
5. Step 5: Solve for x
   x = 1,760,131.36/1,132.89
6. Step 6: Final answer
   x = 1,553.67