Finding the Fourth Proportional to 1,926.06, 2,657.79 and 1,086.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,926.06 : 2,657.79 = 1,086.54 : x
2. Step 2: Convert to fraction form
   1,926.06/2,657.79 = 1,086.54/x
3. Step 3: Cross multiply
   1,926.06x = 2,657.79 × 1,086.54
4. Step 4: Simplify right side
   1,926.06x = 2,887,795.15
5. Step 5: Solve for x
   x = 2,887,795.15/1,926.06
6. Step 6: Final answer
   x = 1,499.33