Finding the Fourth Proportional to 6,105.77, 9,158.14 and 1,945.61

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.77 : 9,158.14 = 1,945.61 : x
2. Step 2: Convert to fraction form
   6,105.77/9,158.14 = 1,945.61/x
3. Step 3: Cross multiply
   6,105.77x = 9,158.14 × 1,945.61
4. Step 4: Simplify right side
   6,105.77x = 17,818,118.11
5. Step 5: Solve for x
   x = 17,818,118.11/6,105.77
6. Step 6: Final answer
   x = 2,918.24