Finding the Fourth Proportional to 2,051.00, 3,074.87 and 1,279.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.00 : 3,074.87 = 1,279.88 : x
2. Step 2: Convert to fraction form
   2,051.00/3,074.87 = 1,279.88/x
3. Step 3: Cross multiply
   2,051.00x = 3,074.87 × 1,279.88
4. Step 4: Simplify right side
   2,051.00x = 3,935,442.84
5. Step 5: Solve for x
   x = 3,935,442.84/2,051.00
6. Step 6: Final answer
   x = 1,918.80