Finding the Fourth Proportional to 1,493.18, 2,223.04 and 1,485.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.18 : 2,223.04 = 1,485.98 : x
2. Step 2: Convert to fraction form
   1,493.18/2,223.04 = 1,485.98/x
3. Step 3: Cross multiply
   1,493.18x = 2,223.04 × 1,485.98
4. Step 4: Simplify right side
   1,493.18x = 3,303,392.98
5. Step 5: Solve for x
   x = 3,303,392.98/1,493.18
6. Step 6: Final answer
   x = 2,212.32