Finding the Fourth Proportional to 415,680.69, 573,590.61 and 234,381.82

Step by Step Solution

1. Step 1: Write the proportion equation
   415,680.69 : 573,590.61 = 234,381.82 : x
2. Step 2: Convert to fraction form
   415,680.69/573,590.61 = 234,381.82/x
3. Step 3: Cross multiply
   415,680.69x = 573,590.61 × 234,381.82
4. Step 4: Simplify right side
   415,680.69x = 134,439,209,672.73
5. Step 5: Solve for x
   x = 134,439,209,672.73/415,680.69
6. Step 6: Final answer
   x = 323,419.42