Finding the Fourth Proportional to 2,931.39, 4,399.67 and 1,372.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931.39 : 4,399.67 = 1,372.23 : x
2. Step 2: Convert to fraction form
   2,931.39/4,399.67 = 1,372.23/x
3. Step 3: Cross multiply
   2,931.39x = 4,399.67 × 1,372.23
4. Step 4: Simplify right side
   2,931.39x = 6,037,362.59
5. Step 5: Solve for x
   x = 6,037,362.59/2,931.39
6. Step 6: Final answer
   x = 2,059.56