Finding the Fourth Proportional to 1,643,097.32, 2,462,498.76 and 1,189,216.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,643,097.32 : 2,462,498.76 = 1,189,216.79 : x
2. Step 2: Convert to fraction form
   1,643,097.32/2,462,498.76 = 1,189,216.79/x
3. Step 3: Cross multiply
   1,643,097.32x = 2,462,498.76 × 1,189,216.79
4. Step 4: Simplify right side
   1,643,097.32x = 2,928,444,858,433.69
5. Step 5: Solve for x
   x = 2,928,444,858,433.69/1,643,097.32
6. Step 6: Final answer
   x = 1,782,271.10