Finding the Fourth Proportional to 5,200.56, 7,176.37 and 2,961.99

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200.56 : 7,176.37 = 2,961.99 : x
2. Step 2: Convert to fraction form
   5,200.56/7,176.37 = 2,961.99/x
3. Step 3: Cross multiply
   5,200.56x = 7,176.37 × 2,961.99
4. Step 4: Simplify right side
   5,200.56x = 21,256,336.18
5. Step 5: Solve for x
   x = 21,256,336.18/5,200.56
6. Step 6: Final answer
   x = 4,087.32