Finding the Fourth Proportional to 2,405.61, 3,608.18 and 1,630.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.61 : 3,608.18 = 1,630.59 : x
2. Step 2: Convert to fraction form
   2,405.61/3,608.18 = 1,630.59/x
3. Step 3: Cross multiply
   2,405.61x = 3,608.18 × 1,630.59
4. Step 4: Simplify right side
   2,405.61x = 5,883,478.91
5. Step 5: Solve for x
   x = 5,883,478.91/2,405.61
6. Step 6: Final answer
   x = 2,445.73