Finding the Fourth Proportional to 1,892.74, 2,839.53 and 738.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.74 : 2,839.53 = 738.50 : x
2. Step 2: Convert to fraction form
   1,892.74/2,839.53 = 738.50/x
3. Step 3: Cross multiply
   1,892.74x = 2,839.53 × 738.50
4. Step 4: Simplify right side
   1,892.74x = 2,096,992.91
5. Step 5: Solve for x
   x = 2,096,992.91/1,892.74
6. Step 6: Final answer
   x = 1,107.91