Finding the Fourth Proportional to 7,945.83, 11,918.83 and 2,399.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,945.83 : 11,918.83 = 2,399.22 : x
2. Step 2: Convert to fraction form
   7,945.83/11,918.83 = 2,399.22/x
3. Step 3: Cross multiply
   7,945.83x = 11,918.83 × 2,399.22
4. Step 4: Simplify right side
   7,945.83x = 28,595,895.31
5. Step 5: Solve for x
   x = 28,595,895.31/7,945.83
6. Step 6: Final answer
   x = 3,598.86