Finding the Fourth Proportional to 1,494.72, 2,247.48 and 1,485

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.72 : 2,247.48 = 1,485 : x
2. Step 2: Convert to fraction form
   1,494.72/2,247.48 = 1,485/x
3. Step 3: Cross multiply
   1,494.72x = 2,247.48 × 1,485
4. Step 4: Simplify right side
   1,494.72x = 3,337,507.80
5. Step 5: Solve for x
   x = 3,337,507.80/1,494.72
6. Step 6: Final answer
   x = 2,232.86