Finding the Fourth Proportional to 2,279.31, 3,419.01 and 892.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279.31 : 3,419.01 = 892.59 : x
2. Step 2: Convert to fraction form
   2,279.31/3,419.01 = 892.59/x
3. Step 3: Cross multiply
   2,279.31x = 3,419.01 × 892.59
4. Step 4: Simplify right side
   2,279.31x = 3,051,774.14
5. Step 5: Solve for x
   x = 3,051,774.14/2,279.31
6. Step 6: Final answer
   x = 1,338.90