Finding the Fourth Proportional to 2,251.75, 3,379.47 and 1,156.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251.75 : 3,379.47 = 1,156.43 : x
2. Step 2: Convert to fraction form
   2,251.75/3,379.47 = 1,156.43/x
3. Step 3: Cross multiply
   2,251.75x = 3,379.47 × 1,156.43
4. Step 4: Simplify right side
   2,251.75x = 3,908,112.10
5. Step 5: Solve for x
   x = 3,908,112.10/2,251.75
6. Step 6: Final answer
   x = 1,735.59