Finding the Fourth Proportional to 532,434.83, 734,789.81 and 290,739.83

Step by Step Solution

1. Step 1: Write the proportion equation
   532,434.83 : 734,789.81 = 290,739.83 : x
2. Step 2: Convert to fraction form
   532,434.83/734,789.81 = 290,739.83/x
3. Step 3: Cross multiply
   532,434.83x = 734,789.81 × 290,739.83
4. Step 4: Simplify right side
   532,434.83x = 213,632,661,498.03
5. Step 5: Solve for x
   x = 213,632,661,498.03/532,434.83
6. Step 6: Final answer
   x = 401,237.21