Finding the Fourth Proportional to 1,925.38, 2,657.37 and 1,086.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.38 : 2,657.37 = 1,086.34 : x
2. Step 2: Convert to fraction form
   1,925.38/2,657.37 = 1,086.34/x
3. Step 3: Cross multiply
   1,925.38x = 2,657.37 × 1,086.34
4. Step 4: Simplify right side
   1,925.38x = 2,886,807.33
5. Step 5: Solve for x
   x = 2,886,807.33/1,925.38
6. Step 6: Final answer
   x = 1,499.34