Finding the Fourth Proportional to 1,643,096.81, 2,462,498.01 and 1,189,216.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,643,096.81 : 2,462,498.01 = 1,189,216.28 : x
2. Step 2: Convert to fraction form
   1,643,096.81/2,462,498.01 = 1,189,216.28/x
3. Step 3: Cross multiply
   1,643,096.81x = 2,462,498.01 × 1,189,216.28
4. Step 4: Simplify right side
   1,643,096.81x = 2,928,442,729,115.85
5. Step 5: Solve for x
   x = 2,928,442,729,115.85/1,643,096.81
6. Step 6: Final answer
   x = 1,782,270.35