Finding the Fourth Proportional to 5,291.50, 7,300.79 and 4,168.95

Step by Step Solution

1. Step 1: Write the proportion equation
   5,291.50 : 7,300.79 = 4,168.95 : x
2. Step 2: Convert to fraction form
   5,291.50/7,300.79 = 4,168.95/x
3. Step 3: Cross multiply
   5,291.50x = 7,300.79 × 4,168.95
4. Step 4: Simplify right side
   5,291.50x = 30,436,623.26
5. Step 5: Solve for x
   x = 30,436,623.26/5,291.50
6. Step 6: Final answer
   x = 5,751.99