Finding the Fourth Proportional to 5,061.56, 6,984.88 and 2,823.60

Step by Step Solution

1. Step 1: Write the proportion equation
   5,061.56 : 6,984.88 = 2,823.60 : x
2. Step 2: Convert to fraction form
   5,061.56/6,984.88 = 2,823.60/x
3. Step 3: Cross multiply
   5,061.56x = 6,984.88 × 2,823.60
4. Step 4: Simplify right side
   5,061.56x = 19,722,507.17
5. Step 5: Solve for x
   x = 19,722,507.17/5,061.56
6. Step 6: Final answer
   x = 3,896.53