Finding the Fourth Proportional to 2,485.46, 3,428.37 and 1,490.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.46 : 3,428.37 = 1,490.06 : x
2. Step 2: Convert to fraction form
   2,485.46/3,428.37 = 1,490.06/x
3. Step 3: Cross multiply
   2,485.46x = 3,428.37 × 1,490.06
4. Step 4: Simplify right side
   2,485.46x = 5,108,477.00
5. Step 5: Solve for x
   x = 5,108,477.00/2,485.46
6. Step 6: Final answer
   x = 2,055.34