Finding the Fourth Proportional to 2,279.84, 3,146.00 and 1,284.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279.84 : 3,146.00 = 1,284.93 : x
2. Step 2: Convert to fraction form
   2,279.84/3,146.00 = 1,284.93/x
3. Step 3: Cross multiply
   2,279.84x = 3,146.00 × 1,284.93
4. Step 4: Simplify right side
   2,279.84x = 4,042,383.36
5. Step 5: Solve for x
   x = 4,042,383.36/2,279.84
6. Step 6: Final answer
   x = 1,773.10