Finding the Fourth Proportional to 2,760.28, 4,137.83 and 1,004.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.28 : 4,137.83 = 1,004.86 : x
2. Step 2: Convert to fraction form
   2,760.28/4,137.83 = 1,004.86/x
3. Step 3: Cross multiply
   2,760.28x = 4,137.83 × 1,004.86
4. Step 4: Simplify right side
   2,760.28x = 4,157,926.15
5. Step 5: Solve for x
   x = 4,157,926.15/2,760.28
6. Step 6: Final answer
   x = 1,506.34