Finding the Fourth Proportional to 2,661.12, 3,991.14 and 1,492.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.12 : 3,991.14 = 1,492.29 : x
2. Step 2: Convert to fraction form
   2,661.12/3,991.14 = 1,492.29/x
3. Step 3: Cross multiply
   2,661.12x = 3,991.14 × 1,492.29
4. Step 4: Simplify right side
   2,661.12x = 5,955,938.31
5. Step 5: Solve for x
   x = 5,955,938.31/2,661.12
6. Step 6: Final answer
   x = 2,238.13