Finding the Fourth Proportional to 2,131.97, 3,193.69 and 1,693.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.97 : 3,193.69 = 1,693.96 : x
2. Step 2: Convert to fraction form
   2,131.97/3,193.69 = 1,693.96/x
3. Step 3: Cross multiply
   2,131.97x = 3,193.69 × 1,693.96
4. Step 4: Simplify right side
   2,131.97x = 5,409,970.89
5. Step 5: Solve for x
   x = 5,409,970.89/2,131.97
6. Step 6: Final answer
   x = 2,537.55