Finding the Fourth Proportional to 2,485.08, 3,726.71 and 1,445.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.08 : 3,726.71 = 1,445.34 : x
2. Step 2: Convert to fraction form
   2,485.08/3,726.71 = 1,445.34/x
3. Step 3: Cross multiply
   2,485.08x = 3,726.71 × 1,445.34
4. Step 4: Simplify right side
   2,485.08x = 5,386,375.20
5. Step 5: Solve for x
   x = 5,386,375.20/2,485.08
6. Step 6: Final answer
   x = 2,167.49