Finding the Fourth Proportional to 2,453.78, 3,386.25 and 1,334.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453.78 : 3,386.25 = 1,334.72 : x
2. Step 2: Convert to fraction form
   2,453.78/3,386.25 = 1,334.72/x
3. Step 3: Cross multiply
   2,453.78x = 3,386.25 × 1,334.72
4. Step 4: Simplify right side
   2,453.78x = 4,519,704.07
5. Step 5: Solve for x
   x = 4,519,704.07/2,453.78
6. Step 6: Final answer
   x = 1,841.93