Finding the Fourth Proportional to 2,485.08, 3,429.50 and 1,602.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.08 : 3,429.50 = 1,602.60 : x
2. Step 2: Convert to fraction form
   2,485.08/3,429.50 = 1,602.60/x
3. Step 3: Cross multiply
   2,485.08x = 3,429.50 × 1,602.60
4. Step 4: Simplify right side
   2,485.08x = 5,496,116.70
5. Step 5: Solve for x
   x = 5,496,116.70/2,485.08
6. Step 6: Final answer
   x = 2,211.65