Finding the Fourth Proportional to 1,674.16, 2,504.89 and 1,013.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,674.16 : 2,504.89 = 1,013.61 : x
2. Step 2: Convert to fraction form
   1,674.16/2,504.89 = 1,013.61/x
3. Step 3: Cross multiply
   1,674.16x = 2,504.89 × 1,013.61
4. Step 4: Simplify right side
   1,674.16x = 2,538,981.55
5. Step 5: Solve for x
   x = 2,538,981.55/1,674.16
6. Step 6: Final answer
   x = 1,516.57