Finding the Fourth Proportional to 2,051.30, 2,830.46 and 1,265.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.30 : 2,830.46 = 1,265.60 : x
2. Step 2: Convert to fraction form
   2,051.30/2,830.46 = 1,265.60/x
3. Step 3: Cross multiply
   2,051.30x = 2,830.46 × 1,265.60
4. Step 4: Simplify right side
   2,051.30x = 3,582,230.18
5. Step 5: Solve for x
   x = 3,582,230.18/2,051.30
6. Step 6: Final answer
   x = 1,746.32