Finding the Fourth Proportional to 2,279.16, 3,417.54 and 892.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279.16 : 3,417.54 = 892.86 : x
2. Step 2: Convert to fraction form
   2,279.16/3,417.54 = 892.86/x
3. Step 3: Cross multiply
   2,279.16x = 3,417.54 × 892.86
4. Step 4: Simplify right side
   2,279.16x = 3,051,384.76
5. Step 5: Solve for x
   x = 3,051,384.76/2,279.16
6. Step 6: Final answer
   x = 1,338.82