Finding the Fourth Proportional to 3,675.42, 5,514.96 and 3,191.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,675.42 : 5,514.96 = 3,191.88 : x
2. Step 2: Convert to fraction form
   3,675.42/5,514.96 = 3,191.88/x
3. Step 3: Cross multiply
   3,675.42x = 5,514.96 × 3,191.88
4. Step 4: Simplify right side
   3,675.42x = 17,603,090.52
5. Step 5: Solve for x
   x = 17,603,090.52/3,675.42
6. Step 6: Final answer
   x = 4,789.41