Finding the Fourth Proportional to 3,846.47, 5,301.89 and 3,005.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846.47 : 5,301.89 = 3,005.70 : x
2. Step 2: Convert to fraction form
   3,846.47/5,301.89 = 3,005.70/x
3. Step 3: Cross multiply
   3,846.47x = 5,301.89 × 3,005.70
4. Step 4: Simplify right side
   3,846.47x = 15,935,890.77
5. Step 5: Solve for x
   x = 15,935,890.77/3,846.47
6. Step 6: Final answer
   x = 4,142.99