Finding the Fourth Proportional to 1,067,150.88, 1,601,357.01 and 393,705.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067,150.88 : 1,601,357.01 = 393,705.24 : x
2. Step 2: Convert to fraction form
   1,067,150.88/1,601,357.01 = 393,705.24/x
3. Step 3: Cross multiply
   1,067,150.88x = 1,601,357.01 × 393,705.24
4. Step 4: Simplify right side
   1,067,150.88x = 630,462,645,947.73
5. Step 5: Solve for x
   x = 630,462,645,947.73/1,067,150.88
6. Step 6: Final answer
   x = 590,790.54