Finding the Fourth Proportional to 2,189,080.26, 3,020,803.82 and 1,222,271.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,080.26 : 3,020,803.82 = 1,222,271.76 : x
2. Step 2: Convert to fraction form
   2,189,080.26/3,020,803.82 = 1,222,271.76/x
3. Step 3: Cross multiply
   2,189,080.26x = 3,020,803.82 × 1,222,271.76
4. Step 4: Simplify right side
   2,189,080.26x = 3,692,243,195,574.76
5. Step 5: Solve for x
   x = 3,692,243,195,574.76/2,189,080.26
6. Step 6: Final answer
   x = 1,686,664.15