Finding the Fourth Proportional to 4,961.37, 7,437.72 and 3,207.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,961.37 : 7,437.72 = 3,207.72 : x
2. Step 2: Convert to fraction form
   4,961.37/7,437.72 = 3,207.72/x
3. Step 3: Cross multiply
   4,961.37x = 7,437.72 × 3,207.72
4. Step 4: Simplify right side
   4,961.37x = 23,858,123.20
5. Step 5: Solve for x
   x = 23,858,123.20/4,961.37
6. Step 6: Final answer
   x = 4,808.78