Finding the Fourth Proportional to 2,646,196.20, 3,965,751.36 and 1,296,292.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,646,196.20 : 3,965,751.36 = 1,296,292.32 : x
2. Step 2: Convert to fraction form
   2,646,196.20/3,965,751.36 = 1,296,292.32/x
3. Step 3: Cross multiply
   2,646,196.20x = 3,965,751.36 × 1,296,292.32
4. Step 4: Simplify right side
   2,646,196.20x = 5,140,773,030,997.56
5. Step 5: Solve for x
   x = 5,140,773,030,997.56/2,646,196.20
6. Step 6: Final answer
   x = 1,942,702.90