Finding the Fourth Proportional to 4,867.37, 7,268.62 and 4,815.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,867.37 : 7,268.62 = 4,815.31 : x
2. Step 2: Convert to fraction form
   4,867.37/7,268.62 = 4,815.31/x
3. Step 3: Cross multiply
   4,867.37x = 7,268.62 × 4,815.31
4. Step 4: Simplify right side
   4,867.37x = 35,000,681.56
5. Step 5: Solve for x
   x = 35,000,681.56/4,867.37
6. Step 6: Final answer
   x = 7,190.89