Finding the Fourth Proportional to 2,835.57, 3,908.76 and 1,993.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,835.57 : 3,908.76 = 1,993.98 : x
2. Step 2: Convert to fraction form
   2,835.57/3,908.76 = 1,993.98/x
3. Step 3: Cross multiply
   2,835.57x = 3,908.76 × 1,993.98
4. Step 4: Simplify right side
   2,835.57x = 7,793,996.45
5. Step 5: Solve for x
   x = 7,793,996.45/2,835.57
6. Step 6: Final answer
   x = 2,748.65