Finding the Fourth Proportional to 3,542.46, 5,323.28 and 1,900.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,542.46 : 5,323.28 = 1,900.18 : x
2. Step 2: Convert to fraction form
   3,542.46/5,323.28 = 1,900.18/x
3. Step 3: Cross multiply
   3,542.46x = 5,323.28 × 1,900.18
4. Step 4: Simplify right side
   3,542.46x = 10,115,187.34
5. Step 5: Solve for x
   x = 10,115,187.34/3,542.46
6. Step 6: Final answer
   x = 2,855.42