Finding the Fourth Proportional to 2,364.90, 3,542.85 and 1,485.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,364.90 : 3,542.85 = 1,485.42 : x
2. Step 2: Convert to fraction form
   2,364.90/3,542.85 = 1,485.42/x
3. Step 3: Cross multiply
   2,364.90x = 3,542.85 × 1,485.42
4. Step 4: Simplify right side
   2,364.90x = 5,262,620.25
5. Step 5: Solve for x
   x = 5,262,620.25/2,364.90
6. Step 6: Final answer
   x = 2,225.30