Finding the Fourth Proportional to 3,623.65, 5,001.83 and 2,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,623.65 : 5,001.83 = 2,131.50 : x
2. Step 2: Convert to fraction form
   3,623.65/5,001.83 = 2,131.50/x
3. Step 3: Cross multiply
   3,623.65x = 5,001.83 × 2,131.50
4. Step 4: Simplify right side
   3,623.65x = 10,661,400.65
5. Step 5: Solve for x
   x = 10,661,400.65/3,623.65
6. Step 6: Final answer
   x = 2,942.17