Finding the Fourth Proportional to 2,507.49, 3,453.17 and 2,150.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.49 : 3,453.17 = 2,150.60 : x
2. Step 2: Convert to fraction form
   2,507.49/3,453.17 = 2,150.60/x
3. Step 3: Cross multiply
   2,507.49x = 3,453.17 × 2,150.60
4. Step 4: Simplify right side
   2,507.49x = 7,426,359.38
5. Step 5: Solve for x
   x = 7,426,359.38/2,507.49
6. Step 6: Final answer
   x = 2,961.67