Finding the Fourth Proportional to 2,080,101.30, 3,120,443.55 and 817,635.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080,101.30 : 3,120,443.55 = 817,635.30 : x
2. Step 2: Convert to fraction form
   2,080,101.30/3,120,443.55 = 817,635.30/x
3. Step 3: Cross multiply
   2,080,101.30x = 3,120,443.55 × 817,635.30
4. Step 4: Simplify right side
   2,080,101.30x = 2,551,384,798,137.32
5. Step 5: Solve for x
   x = 2,551,384,798,137.32/2,080,101.30
6. Step 6: Final answer
   x = 1,226,567.57