Finding the Fourth Proportional to 1,892.97, 2,840.00 and 919.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.97 : 2,840.00 = 919.62 : x
2. Step 2: Convert to fraction form
   1,892.97/2,840.00 = 919.62/x
3. Step 3: Cross multiply
   1,892.97x = 2,840.00 × 919.62
4. Step 4: Simplify right side
   1,892.97x = 2,611,716.20
5. Step 5: Solve for x
   x = 2,611,716.20/1,892.97
6. Step 6: Final answer
   x = 1,379.69