Finding the Fourth Proportional to 2,445.86, 3,669.06 and 985.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.86 : 3,669.06 = 985.04 : x
2. Step 2: Convert to fraction form
   2,445.86/3,669.06 = 985.04/x
3. Step 3: Cross multiply
   2,445.86x = 3,669.06 × 985.04
4. Step 4: Simplify right side
   2,445.86x = 3,614,170.86
5. Step 5: Solve for x
   x = 3,614,170.86/2,445.86
6. Step 6: Final answer
   x = 1,477.67