Finding the Fourth Proportional to 2,272.05, 3,136.32 and 1,485.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.05 : 3,136.32 = 1,485.54 : x
2. Step 2: Convert to fraction form
   2,272.05/3,136.32 = 1,485.54/x
3. Step 3: Cross multiply
   2,272.05x = 3,136.32 × 1,485.54
4. Step 4: Simplify right side
   2,272.05x = 4,659,128.81
5. Step 5: Solve for x
   x = 4,659,128.81/2,272.05
6. Step 6: Final answer
   x = 2,050.63