Finding the Fourth Proportional to 622,853.59, 934,861.59 and 319,475.52

Step by Step Solution

1. Step 1: Write the proportion equation
   622,853.59 : 934,861.59 = 319,475.52 : x
2. Step 2: Convert to fraction form
   622,853.59/934,861.59 = 319,475.52/x
3. Step 3: Cross multiply
   622,853.59x = 934,861.59 × 319,475.52
4. Step 4: Simplify right side
   622,853.59x = 298,665,389,514.72
5. Step 5: Solve for x
   x = 298,665,389,514.72/622,853.59
6. Step 6: Final answer
   x = 479,511.39