Finding the Fourth Proportional to 2,485.06, 3,433.53 and 2,070.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.06 : 3,433.53 = 2,070.34 : x
2. Step 2: Convert to fraction form
   2,485.06/3,433.53 = 2,070.34/x
3. Step 3: Cross multiply
   2,485.06x = 3,433.53 × 2,070.34
4. Step 4: Simplify right side
   2,485.06x = 7,108,574.50
5. Step 5: Solve for x
   x = 7,108,574.50/2,485.06
6. Step 6: Final answer
   x = 2,860.52