Finding the Fourth Proportional to 2,372.91, 3,559.14 and 985.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,372.91 : 3,559.14 = 985.38 : x
2. Step 2: Convert to fraction form
   2,372.91/3,559.14 = 985.38/x
3. Step 3: Cross multiply
   2,372.91x = 3,559.14 × 985.38
4. Step 4: Simplify right side
   2,372.91x = 3,507,105.37
5. Step 5: Solve for x
   x = 3,507,105.37/2,372.91
6. Step 6: Final answer
   x = 1,477.98