Finding the Fourth Proportional to 2,139.59, 2,952.55 and 1,195.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139.59 : 2,952.55 = 1,195.37 : x
2. Step 2: Convert to fraction form
   2,139.59/2,952.55 = 1,195.37/x
3. Step 3: Cross multiply
   2,139.59x = 2,952.55 × 1,195.37
4. Step 4: Simplify right side
   2,139.59x = 3,529,387.50
5. Step 5: Solve for x
   x = 3,529,387.50/2,139.59
6. Step 6: Final answer
   x = 1,649.56