Finding the Fourth Proportional to 6,401.43, 9,601.47 and 2,018.93

Step by Step Solution

1. Step 1: Write the proportion equation
   6,401.43 : 9,601.47 = 2,018.93 : x
2. Step 2: Convert to fraction form
   6,401.43/9,601.47 = 2,018.93/x
3. Step 3: Cross multiply
   6,401.43x = 9,601.47 × 2,018.93
4. Step 4: Simplify right side
   6,401.43x = 19,384,647.82
5. Step 5: Solve for x
   x = 19,384,647.82/6,401.43
6. Step 6: Final answer
   x = 3,028.17