Finding the Fourth Proportional to 1,925.54, 2,657.89 and 1,198.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.54 : 2,657.89 = 1,198.49 : x
2. Step 2: Convert to fraction form
   1,925.54/2,657.89 = 1,198.49/x
3. Step 3: Cross multiply
   1,925.54x = 2,657.89 × 1,198.49
4. Step 4: Simplify right side
   1,925.54x = 3,185,454.59
5. Step 5: Solve for x
   x = 3,185,454.59/1,925.54
6. Step 6: Final answer
   x = 1,654.32