Finding the Fourth Proportional to 4,685.76, 7,028.72 and 1,763.52

Step by Step Solution

1. Step 1: Write the proportion equation
   4,685.76 : 7,028.72 = 1,763.52 : x
2. Step 2: Convert to fraction form
   4,685.76/7,028.72 = 1,763.52/x
3. Step 3: Cross multiply
   4,685.76x = 7,028.72 × 1,763.52
4. Step 4: Simplify right side
   4,685.76x = 12,395,288.29
5. Step 5: Solve for x
   x = 12,395,288.29/4,685.76
6. Step 6: Final answer
   x = 2,645.31