Finding the Fourth Proportional to 1,180.37, 1,765.38 and 1,051.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180.37 : 1,765.38 = 1,051.28 : x
2. Step 2: Convert to fraction form
   1,180.37/1,765.38 = 1,051.28/x
3. Step 3: Cross multiply
   1,180.37x = 1,765.38 × 1,051.28
4. Step 4: Simplify right side
   1,180.37x = 1,855,908.69
5. Step 5: Solve for x
   x = 1,855,908.69/1,180.37
6. Step 6: Final answer
   x = 1,572.31