Finding the Fourth Proportional to 3,768.18, 5,199.98 and 2,089.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,768.18 : 5,199.98 = 2,089.56 : x
2. Step 2: Convert to fraction form
   3,768.18/5,199.98 = 2,089.56/x
3. Step 3: Cross multiply
   3,768.18x = 5,199.98 × 2,089.56
4. Step 4: Simplify right side
   3,768.18x = 10,865,659.76
5. Step 5: Solve for x
   x = 10,865,659.76/3,768.18
6. Step 6: Final answer
   x = 2,883.53