Finding the Fourth Proportional to 2,356.76, 3,251.46 and 1,412.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.76 : 3,251.46 = 1,412.57 : x
2. Step 2: Convert to fraction form
   2,356.76/3,251.46 = 1,412.57/x
3. Step 3: Cross multiply
   2,356.76x = 3,251.46 × 1,412.57
4. Step 4: Simplify right side
   2,356.76x = 4,592,914.85
5. Step 5: Solve for x
   x = 4,592,914.85/2,356.76
6. Step 6: Final answer
   x = 1,948.83