Finding the Fourth Proportional to 3,901.82, 5,848.61 and 2,668.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,901.82 : 5,848.61 = 2,668.89 : x
2. Step 2: Convert to fraction form
   3,901.82/5,848.61 = 2,668.89/x
3. Step 3: Cross multiply
   3,901.82x = 5,848.61 × 2,668.89
4. Step 4: Simplify right side
   3,901.82x = 15,609,303.42
5. Step 5: Solve for x
   x = 15,609,303.42/3,901.82
6. Step 6: Final answer
   x = 4,000.52