Finding the Fourth Proportional to 2,131.47, 2,940.98 and 1,601.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.47 : 2,940.98 = 1,601.73 : x
2. Step 2: Convert to fraction form
   2,131.47/2,940.98 = 1,601.73/x
3. Step 3: Cross multiply
   2,131.47x = 2,940.98 × 1,601.73
4. Step 4: Simplify right side
   2,131.47x = 4,710,647.89
5. Step 5: Solve for x
   x = 4,710,647.89/2,131.47
6. Step 6: Final answer
   x = 2,210.05