Finding the Fourth Proportional to 3,105.17, 4,284.81 and 1,845.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,105.17 : 4,284.81 = 1,845.98 : x
2. Step 2: Convert to fraction form
   3,105.17/4,284.81 = 1,845.98/x
3. Step 3: Cross multiply
   3,105.17x = 4,284.81 × 1,845.98
4. Step 4: Simplify right side
   3,105.17x = 7,909,673.56
5. Step 5: Solve for x
   x = 7,909,673.56/3,105.17
6. Step 6: Final answer
   x = 2,547.26