Finding the Fourth Proportional to 3,776.31, 5,664.06 and 1,002.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,776.31 : 5,664.06 = 1,002.87 : x
2. Step 2: Convert to fraction form
   3,776.31/5,664.06 = 1,002.87/x
3. Step 3: Cross multiply
   3,776.31x = 5,664.06 × 1,002.87
4. Step 4: Simplify right side
   3,776.31x = 5,680,315.85
5. Step 5: Solve for x
   x = 5,680,315.85/3,776.31
6. Step 6: Final answer
   x = 1,504.20