Finding the Fourth Proportional to 3,580.10, 5,372.27 and 1,936.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,580.10 : 5,372.27 = 1,936.61 : x
2. Step 2: Convert to fraction form
   3,580.10/5,372.27 = 1,936.61/x
3. Step 3: Cross multiply
   3,580.10x = 5,372.27 × 1,936.61
4. Step 4: Simplify right side
   3,580.10x = 10,403,955.26
5. Step 5: Solve for x
   x = 10,403,955.26/3,580.10
6. Step 6: Final answer
   x = 2,906.06