Finding the Fourth Proportional to 1,415.18, 2,124.58 and 1,004.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,415.18 : 2,124.58 = 1,004.52 : x
2. Step 2: Convert to fraction form
   1,415.18/2,124.58 = 1,004.52/x
3. Step 3: Cross multiply
   1,415.18x = 2,124.58 × 1,004.52
4. Step 4: Simplify right side
   1,415.18x = 2,134,183.10
5. Step 5: Solve for x
   x = 2,134,183.10/1,415.18
6. Step 6: Final answer
   x = 1,508.06