Finding the Fourth Proportional to 1,492.59, 2,057.42 and 1,137.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492.59 : 2,057.42 = 1,137.38 : x
2. Step 2: Convert to fraction form
   1,492.59/2,057.42 = 1,137.38/x
3. Step 3: Cross multiply
   1,492.59x = 2,057.42 × 1,137.38
4. Step 4: Simplify right side
   1,492.59x = 2,340,052.39
5. Step 5: Solve for x
   x = 2,340,052.39/1,492.59
6. Step 6: Final answer
   x = 1,567.78