Finding the Fourth Proportional to 1,925.78, 2,657.27 and 1,086.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.78 : 2,657.27 = 1,086.41 : x
2. Step 2: Convert to fraction form
   1,925.78/2,657.27 = 1,086.41/x
3. Step 3: Cross multiply
   1,925.78x = 2,657.27 × 1,086.41
4. Step 4: Simplify right side
   1,925.78x = 2,886,894.06
5. Step 5: Solve for x
   x = 2,886,894.06/1,925.78
6. Step 6: Final answer
   x = 1,499.08