Finding the Fourth Proportional to 2,046.60, 3,068.96 and 1,225.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.60 : 3,068.96 = 1,225.28 : x
2. Step 2: Convert to fraction form
   2,046.60/3,068.96 = 1,225.28/x
3. Step 3: Cross multiply
   2,046.60x = 3,068.96 × 1,225.28
4. Step 4: Simplify right side
   2,046.60x = 3,760,335.31
5. Step 5: Solve for x
   x = 3,760,335.31/2,046.60
6. Step 6: Final answer
   x = 1,837.36