Finding the Fourth Proportional to 1,921.89, 2,651.22 and 1,134.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,921.89 : 2,651.22 = 1,134.57 : x
2. Step 2: Convert to fraction form
   1,921.89/2,651.22 = 1,134.57/x
3. Step 3: Cross multiply
   1,921.89x = 2,651.22 × 1,134.57
4. Step 4: Simplify right side
   1,921.89x = 3,007,994.68
5. Step 5: Solve for x
   x = 3,007,994.68/1,921.89
6. Step 6: Final answer
   x = 1,565.12