Finding the Fourth Proportional to 1,185.37, 1,777.81 and 1,126.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185.37 : 1,777.81 = 1,126.83 : x
2. Step 2: Convert to fraction form
   1,185.37/1,777.81 = 1,126.83/x
3. Step 3: Cross multiply
   1,185.37x = 1,777.81 × 1,126.83
4. Step 4: Simplify right side
   1,185.37x = 2,003,289.64
5. Step 5: Solve for x
   x = 2,003,289.64/1,185.37
6. Step 6: Final answer
   x = 1,690.01