Finding the Fourth Proportional to 2,628.42, 3,923.37 and 2,317.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.42 : 3,923.37 = 2,317.01 : x
2. Step 2: Convert to fraction form
   2,628.42/3,923.37 = 2,317.01/x
3. Step 3: Cross multiply
   2,628.42x = 3,923.37 × 2,317.01
4. Step 4: Simplify right side
   2,628.42x = 9,090,467.91
5. Step 5: Solve for x
   x = 9,090,467.91/2,628.42
6. Step 6: Final answer
   x = 3,458.53