Finding the Fourth Proportional to 2,431.50, 3,356.75 and 1,723.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431.50 : 3,356.75 = 1,723.93 : x
2. Step 2: Convert to fraction form
   2,431.50/3,356.75 = 1,723.93/x
3. Step 3: Cross multiply
   2,431.50x = 3,356.75 × 1,723.93
4. Step 4: Simplify right side
   2,431.50x = 5,786,802.03
5. Step 5: Solve for x
   x = 5,786,802.03/2,431.50
6. Step 6: Final answer
   x = 2,379.93