Finding the Fourth Proportional to 2,077,063.20, 3,116,469.60 and 1,131,112.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077,063.20 : 3,116,469.60 = 1,131,112.80 : x
2. Step 2: Convert to fraction form
   2,077,063.20/3,116,469.60 = 1,131,112.80/x
3. Step 3: Cross multiply
   2,077,063.20x = 3,116,469.60 × 1,131,112.80
4. Step 4: Simplify right side
   2,077,063.20x = 3,525,078,655,370.88
5. Step 5: Solve for x
   x = 3,525,078,655,370.88/2,077,063.20
6. Step 6: Final answer
   x = 1,697,145.59