Finding the Fourth Proportional to 5,061.89, 6,985.37 and 2,823.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,061.89 : 6,985.37 = 2,823.79 : x
2. Step 2: Convert to fraction form
   5,061.89/6,985.37 = 2,823.79/x
3. Step 3: Cross multiply
   5,061.89x = 6,985.37 × 2,823.79
4. Step 4: Simplify right side
   5,061.89x = 19,725,217.95
5. Step 5: Solve for x
   x = 19,725,217.95/5,061.89
6. Step 6: Final answer
   x = 3,896.81