Finding the Fourth Proportional to 2,238.12, 3,086.55 and 1,492.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.12 : 3,086.55 = 1,492.92 : x
2. Step 2: Convert to fraction form
   2,238.12/3,086.55 = 1,492.92/x
3. Step 3: Cross multiply
   2,238.12x = 3,086.55 × 1,492.92
4. Step 4: Simplify right side
   2,238.12x = 4,607,972.23
5. Step 5: Solve for x
   x = 4,607,972.23/2,238.12
6. Step 6: Final answer
   x = 2,058.86