Finding the Fourth Proportional to 1,892.96, 2,839.46 and 723.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.96 : 2,839.46 = 723.50 : x
2. Step 2: Convert to fraction form
   1,892.96/2,839.46 = 723.50/x
3. Step 3: Cross multiply
   1,892.96x = 2,839.46 × 723.50
4. Step 4: Simplify right side
   1,892.96x = 2,054,331.50
5. Step 5: Solve for x
   x = 2,054,331.50/1,892.96
6. Step 6: Final answer
   x = 1,085.25