Finding the Fourth Proportional to 2,978.28, 4,467.82 and 1,029.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.28 : 4,467.82 = 1,029.96 : x
2. Step 2: Convert to fraction form
   2,978.28/4,467.82 = 1,029.96/x
3. Step 3: Cross multiply
   2,978.28x = 4,467.82 × 1,029.96
4. Step 4: Simplify right side
   2,978.28x = 4,601,675.89
5. Step 5: Solve for x
   x = 4,601,675.89/2,978.28
6. Step 6: Final answer
   x = 1,545.08