Finding the Fourth Proportional to 2,132,851.60, 3,200,085.42 and 1,280,518.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132,851.60 : 3,200,085.42 = 1,280,518.42 : x
2. Step 2: Convert to fraction form
   2,132,851.60/3,200,085.42 = 1,280,518.42/x
3. Step 3: Cross multiply
   2,132,851.60x = 3,200,085.42 × 1,280,518.42
4. Step 4: Simplify right side
   2,132,851.60x = 4,097,768,325,883.44
5. Step 5: Solve for x
   x = 4,097,768,325,883.44/2,132,851.60
6. Step 6: Final answer
   x = 1,921,262.75