Finding the Fourth Proportional to 2,929.46, 4,389.57 and 1,078.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,929.46 : 4,389.57 = 1,078.03 : x
2. Step 2: Convert to fraction form
   2,929.46/4,389.57 = 1,078.03/x
3. Step 3: Cross multiply
   2,929.46x = 4,389.57 × 1,078.03
4. Step 4: Simplify right side
   2,929.46x = 4,732,077.17
5. Step 5: Solve for x
   x = 4,732,077.17/2,929.46
6. Step 6: Final answer
   x = 1,615.34