Finding the Fourth Proportional to 1,665,890.52, 2,498,338.59 and 706,329.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,890.52 : 2,498,338.59 = 706,329.92 : x
2. Step 2: Convert to fraction form
   1,665,890.52/2,498,338.59 = 706,329.92/x
3. Step 3: Cross multiply
   1,665,890.52x = 2,498,338.59 × 706,329.92
4. Step 4: Simplify right side
   1,665,890.52x = 1,764,651,300,004.72
5. Step 5: Solve for x
   x = 1,764,651,300,004.72/1,665,890.52
6. Step 6: Final answer
   x = 1,059,284.07