Finding the Fourth Proportional to 2,051.68, 2,830.72 and 1,265.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.68 : 2,830.72 = 1,265.44 : x
2. Step 2: Convert to fraction form
   2,051.68/2,830.72 = 1,265.44/x
3. Step 3: Cross multiply
   2,051.68x = 2,830.72 × 1,265.44
4. Step 4: Simplify right side
   2,051.68x = 3,582,106.32
5. Step 5: Solve for x
   x = 3,582,106.32/2,051.68
6. Step 6: Final answer
   x = 1,745.94