Finding the Fourth Proportional to 3,690.34, 5,541.10 and 3,175.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,690.34 : 5,541.10 = 3,175.98 : x
2. Step 2: Convert to fraction form
   3,690.34/5,541.10 = 3,175.98/x
3. Step 3: Cross multiply
   3,690.34x = 5,541.10 × 3,175.98
4. Step 4: Simplify right side
   3,690.34x = 17,598,422.78
5. Step 5: Solve for x
   x = 17,598,422.78/3,690.34
6. Step 6: Final answer
   x = 4,768.78