Finding the Fourth Proportional to 3,802.61, 5,235.50 and 3,354.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,802.61 : 5,235.50 = 3,354.10 : x
2. Step 2: Convert to fraction form
   3,802.61/5,235.50 = 3,354.10/x
3. Step 3: Cross multiply
   3,802.61x = 5,235.50 × 3,354.10
4. Step 4: Simplify right side
   3,802.61x = 17,560,390.55
5. Step 5: Solve for x
   x = 17,560,390.55/3,802.61
6. Step 6: Final answer
   x = 4,617.98