Finding the Fourth Proportional to 4,772.52, 7,159.23 and 1,485.09

Step by Step Solution

1. Step 1: Write the proportion equation
   4,772.52 : 7,159.23 = 1,485.09 : x
2. Step 2: Convert to fraction form
   4,772.52/7,159.23 = 1,485.09/x
3. Step 3: Cross multiply
   4,772.52x = 7,159.23 × 1,485.09
4. Step 4: Simplify right side
   4,772.52x = 10,632,100.88
5. Step 5: Solve for x
   x = 10,632,100.88/4,772.52
6. Step 6: Final answer
   x = 2,227.78