Finding the Fourth Proportional to 956,323.61, 1,433,819.59 and 423,555.83

Step by Step Solution

1. Step 1: Write the proportion equation
   956,323.61 : 1,433,819.59 = 423,555.83 : x
2. Step 2: Convert to fraction form
   956,323.61/1,433,819.59 = 423,555.83/x
3. Step 3: Cross multiply
   956,323.61x = 1,433,819.59 × 423,555.83
4. Step 4: Simplify right side
   956,323.61x = 607,302,643,661.55
5. Step 5: Solve for x
   x = 607,302,643,661.55/956,323.61
6. Step 6: Final answer
   x = 635,038.85