Finding the Fourth Proportional to 1,925.73, 2,657.50 and 1,086.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.73 : 2,657.50 = 1,086.43 : x
2. Step 2: Convert to fraction form
   1,925.73/2,657.50 = 1,086.43/x
3. Step 3: Cross multiply
   1,925.73x = 2,657.50 × 1,086.43
4. Step 4: Simplify right side
   1,925.73x = 2,887,169.01
5. Step 5: Solve for x
   x = 2,887,169.01/1,925.73
6. Step 6: Final answer
   x = 1,499.26