Finding the Fourth Proportional to 1,878, 2,591.81 and 1,092

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878 : 2,591.81 = 1,092 : x
2. Step 2: Convert to fraction form
   1,878/2,591.81 = 1,092/x
3. Step 3: Cross multiply
   1,878x = 2,591.81 × 1,092
4. Step 4: Simplify right side
   1,878x = 2,830,251.06
5. Step 5: Solve for x
   x = 2,830,251.06/1,878
6. Step 6: Final answer
   x = 1,507.06