Finding the Fourth Proportional to 4,723.89, 7,086.61 and 1,436.22

Step by Step Solution

1. Step 1: Write the proportion equation
   4,723.89 : 7,086.61 = 1,436.22 : x
2. Step 2: Convert to fraction form
   4,723.89/7,086.61 = 1,436.22/x
3. Step 3: Cross multiply
   4,723.89x = 7,086.61 × 1,436.22
4. Step 4: Simplify right side
   4,723.89x = 10,177,931.01
5. Step 5: Solve for x
   x = 10,177,931.01/4,723.89
6. Step 6: Final answer
   x = 2,154.57