Finding the Fourth Proportional to 2,945.56, 4,415.56 and 1,095.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.56 : 4,415.56 = 1,095.42 : x
2. Step 2: Convert to fraction form
   2,945.56/4,415.56 = 1,095.42/x
3. Step 3: Cross multiply
   2,945.56x = 4,415.56 × 1,095.42
4. Step 4: Simplify right side
   2,945.56x = 4,836,887.26
5. Step 5: Solve for x
   x = 4,836,887.26/2,945.56
6. Step 6: Final answer
   x = 1,642.09