Finding the Fourth Proportional to 2,279.98, 3,417.63 and 892.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279.98 : 3,417.63 = 892.54 : x
2. Step 2: Convert to fraction form
   2,279.98/3,417.63 = 892.54/x
3. Step 3: Cross multiply
   2,279.98x = 3,417.63 × 892.54
4. Step 4: Simplify right side
   2,279.98x = 3,050,371.48
5. Step 5: Solve for x
   x = 3,050,371.48/2,279.98
6. Step 6: Final answer
   x = 1,337.89