Finding the Fourth Proportional to 2,078,010.60, 3,118,984.20 and 1,280,849.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078,010.60 : 3,118,984.20 = 1,280,849.10 : x
2. Step 2: Convert to fraction form
   2,078,010.60/3,118,984.20 = 1,280,849.10/x
3. Step 3: Cross multiply
   2,078,010.60x = 3,118,984.20 × 1,280,849.10
4. Step 4: Simplify right side
   2,078,010.60x = 3,994,948,105,484.22
5. Step 5: Solve for x
   x = 3,994,948,105,484.22/2,078,010.60
6. Step 6: Final answer
   x = 1,922,486.88