Finding the Fourth Proportional to 2,485.93, 3,429.60 and 1,602.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.93 : 3,429.60 = 1,602.25 : x
2. Step 2: Convert to fraction form
   2,485.93/3,429.60 = 1,602.25/x
3. Step 3: Cross multiply
   2,485.93x = 3,429.60 × 1,602.25
4. Step 4: Simplify right side
   2,485.93x = 5,495,076.60
5. Step 5: Solve for x
   x = 5,495,076.60/2,485.93
6. Step 6: Final answer
   x = 2,210.47