Finding the Fourth Proportional to 2,541.69, 3,812.82 and 1,445.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.69 : 3,812.82 = 1,445.76 : x
2. Step 2: Convert to fraction form
   2,541.69/3,812.82 = 1,445.76/x
3. Step 3: Cross multiply
   2,541.69x = 3,812.82 × 1,445.76
4. Step 4: Simplify right side
   2,541.69x = 5,512,422.64
5. Step 5: Solve for x
   x = 5,512,422.64/2,541.69
6. Step 6: Final answer
   x = 2,168.80