Finding the Fourth Proportional to 3,770.89, 5,191.69 and 3,238.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,770.89 : 5,191.69 = 3,238.72 : x
2. Step 2: Convert to fraction form
   3,770.89/5,191.69 = 3,238.72/x
3. Step 3: Cross multiply
   3,770.89x = 5,191.69 × 3,238.72
4. Step 4: Simplify right side
   3,770.89x = 16,814,430.24
5. Step 5: Solve for x
   x = 16,814,430.24/3,770.89
6. Step 6: Final answer
   x = 4,459.01