Finding the Fourth Proportional to 1,131.37, 1,692.38 and 1,062.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.37 : 1,692.38 = 1,062.25 : x
2. Step 2: Convert to fraction form
   1,131.37/1,692.38 = 1,062.25/x
3. Step 3: Cross multiply
   1,131.37x = 1,692.38 × 1,062.25
4. Step 4: Simplify right side
   1,131.37x = 1,797,725.34
5. Step 5: Solve for x
   x = 1,797,725.34/1,131.37
6. Step 6: Final answer
   x = 1,588.98