Finding the Fourth Proportional to 3,145.61, 4,713.93 and 2,317.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,145.61 : 4,713.93 = 2,317.37 : x
2. Step 2: Convert to fraction form
   3,145.61/4,713.93 = 2,317.37/x
3. Step 3: Cross multiply
   3,145.61x = 4,713.93 × 2,317.37
4. Step 4: Simplify right side
   3,145.61x = 10,923,896.39
5. Step 5: Solve for x
   x = 10,923,896.39/3,145.61
6. Step 6: Final answer
   x = 3,472.75