Finding the Fourth Proportional to 1,925.39, 2,657.03 and 1,086.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.39 : 2,657.03 = 1,086.09 : x
2. Step 2: Convert to fraction form
   1,925.39/2,657.03 = 1,086.09/x
3. Step 3: Cross multiply
   1,925.39x = 2,657.03 × 1,086.09
4. Step 4: Simplify right side
   1,925.39x = 2,885,773.71
5. Step 5: Solve for x
   x = 2,885,773.71/1,925.39
6. Step 6: Final answer
   x = 1,498.80