Finding the Fourth Proportional to 1,131.01, 1,559.34 and 835.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.01 : 1,559.34 = 835.76 : x
2. Step 2: Convert to fraction form
   1,131.01/1,559.34 = 835.76/x
3. Step 3: Cross multiply
   1,131.01x = 1,559.34 × 835.76
4. Step 4: Simplify right side
   1,131.01x = 1,303,237.90
5. Step 5: Solve for x
   x = 1,303,237.90/1,131.01
6. Step 6: Final answer
   x = 1,152.28