Finding the Fourth Proportional to 2,443.02, 3,664.54 and 1,953.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.02 : 3,664.54 = 1,953.78 : x
2. Step 2: Convert to fraction form
   2,443.02/3,664.54 = 1,953.78/x
3. Step 3: Cross multiply
   2,443.02x = 3,664.54 × 1,953.78
4. Step 4: Simplify right side
   2,443.02x = 7,159,704.96
5. Step 5: Solve for x
   x = 7,159,704.96/2,443.02
6. Step 6: Final answer
   x = 2,930.68