Finding the Fourth Proportional to 2,104.94, 3,156.32 and 1,227.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.94 : 3,156.32 = 1,227.72 : x
2. Step 2: Convert to fraction form
   2,104.94/3,156.32 = 1,227.72/x
3. Step 3: Cross multiply
   2,104.94x = 3,156.32 × 1,227.72
4. Step 4: Simplify right side
   2,104.94x = 3,875,077.19
5. Step 5: Solve for x
   x = 3,875,077.19/2,104.94
6. Step 6: Final answer
   x = 1,840.94