Finding the Fourth Proportional to 3,865.31, 5,334.09 and 2,096.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,865.31 : 5,334.09 = 2,096.89 : x
2. Step 2: Convert to fraction form
   3,865.31/5,334.09 = 2,096.89/x
3. Step 3: Cross multiply
   3,865.31x = 5,334.09 × 2,096.89
4. Step 4: Simplify right side
   3,865.31x = 11,184,999.98
5. Step 5: Solve for x
   x = 11,184,999.98/3,865.31
6. Step 6: Final answer
   x = 2,893.69