Finding the Fourth Proportional to 2,485.37, 3,731.31 and 1,667.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.37 : 3,731.31 = 1,667.30 : x
2. Step 2: Convert to fraction form
   2,485.37/3,731.31 = 1,667.30/x
3. Step 3: Cross multiply
   2,485.37x = 3,731.31 × 1,667.30
4. Step 4: Simplify right side
   2,485.37x = 6,221,213.16
5. Step 5: Solve for x
   x = 6,221,213.16/2,485.37
6. Step 6: Final answer
   x = 2,503.13