Finding the Fourth Proportional to 2,760.45, 4,141.40 and 1,005.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.45 : 4,141.40 = 1,005.62 : x
2. Step 2: Convert to fraction form
   2,760.45/4,141.40 = 1,005.62/x
3. Step 3: Cross multiply
   2,760.45x = 4,141.40 × 1,005.62
4. Step 4: Simplify right side
   2,760.45x = 4,164,656.48
5. Step 5: Solve for x
   x = 4,164,656.48/2,760.45
6. Step 6: Final answer
   x = 1,508.69