Finding the Fourth Proportional to 3,770.34, 5,200.08 and 3,518.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,770.34 : 5,200.08 = 3,518.82 : x
2. Step 2: Convert to fraction form
   3,770.34/5,200.08 = 3,518.82/x
3. Step 3: Cross multiply
   3,770.34x = 5,200.08 × 3,518.82
4. Step 4: Simplify right side
   3,770.34x = 18,298,145.51
5. Step 5: Solve for x
   x = 18,298,145.51/3,770.34
6. Step 6: Final answer
   x = 4,853.18