Finding the Fourth Proportional to 2,929.72, 4,043.01 and 1,603.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,929.72 : 4,043.01 = 1,603.55 : x
2. Step 2: Convert to fraction form
   2,929.72/4,043.01 = 1,603.55/x
3. Step 3: Cross multiply
   2,929.72x = 4,043.01 × 1,603.55
4. Step 4: Simplify right side
   2,929.72x = 6,483,168.69
5. Step 5: Solve for x
   x = 6,483,168.69/2,929.72
6. Step 6: Final answer
   x = 2,212.90