Finding the Fourth Proportional to 2,381.51, 3,574.57 and 1,149.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.51 : 3,574.57 = 1,149.79 : x
2. Step 2: Convert to fraction form
   2,381.51/3,574.57 = 1,149.79/x
3. Step 3: Cross multiply
   2,381.51x = 3,574.57 × 1,149.79
4. Step 4: Simplify right side
   2,381.51x = 4,109,993.03
5. Step 5: Solve for x
   x = 4,109,993.03/2,381.51
6. Step 6: Final answer
   x = 1,725.79