Finding the Fourth Proportional to 5,884.56, 8,123.88 and 4,279.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,884.56 : 8,123.88 = 4,279.20 : x
2. Step 2: Convert to fraction form
   5,884.56/8,123.88 = 4,279.20/x
3. Step 3: Cross multiply
   5,884.56x = 8,123.88 × 4,279.20
4. Step 4: Simplify right side
   5,884.56x = 34,763,707.30
5. Step 5: Solve for x
   x = 34,763,707.30/5,884.56
6. Step 6: Final answer
   x = 5,907.61