Finding the Fourth Proportional to 2,123.37, 3,184.58 and 892.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.37 : 3,184.58 = 892.17 : x
2. Step 2: Convert to fraction form
   2,123.37/3,184.58 = 892.17/x
3. Step 3: Cross multiply
   2,123.37x = 3,184.58 × 892.17
4. Step 4: Simplify right side
   2,123.37x = 2,841,188.97
5. Step 5: Solve for x
   x = 2,841,188.97/2,123.37
6. Step 6: Final answer
   x = 1,338.06