Finding the Fourth Proportional to 8,747.51, 13,123.21 and 3,200.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,747.51 : 13,123.21 = 3,200.73 : x
2. Step 2: Convert to fraction form
   8,747.51/13,123.21 = 3,200.73/x
3. Step 3: Cross multiply
   8,747.51x = 13,123.21 × 3,200.73
4. Step 4: Simplify right side
   8,747.51x = 42,003,851.94
5. Step 5: Solve for x
   x = 42,003,851.94/8,747.51
6. Step 6: Final answer
   x = 4,801.81