Finding the Fourth Proportional to 3,927.43, 5,890.71 and 1,005.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,927.43 : 5,890.71 = 1,005.76 : x
2. Step 2: Convert to fraction form
   3,927.43/5,890.71 = 1,005.76/x
3. Step 3: Cross multiply
   3,927.43x = 5,890.71 × 1,005.76
4. Step 4: Simplify right side
   3,927.43x = 5,924,640.49
5. Step 5: Solve for x
   x = 5,924,640.49/3,927.43
6. Step 6: Final answer
   x = 1,508.53