Finding the Fourth Proportional to 1,921.37, 2,651.52 and 1,135.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,921.37 : 2,651.52 = 1,135.49 : x
2. Step 2: Convert to fraction form
   1,921.37/2,651.52 = 1,135.49/x
3. Step 3: Cross multiply
   1,921.37x = 2,651.52 × 1,135.49
4. Step 4: Simplify right side
   1,921.37x = 3,010,774.44
5. Step 5: Solve for x
   x = 3,010,774.44/1,921.37
6. Step 6: Final answer
   x = 1,566.99