Finding the Fourth Proportional to 676,520.96, 932,954.72 and 404,544.56

Step by Step Solution

1. Step 1: Write the proportion equation
   676,520.96 : 932,954.72 = 404,544.56 : x
2. Step 2: Convert to fraction form
   676,520.96/932,954.72 = 404,544.56/x
3. Step 3: Cross multiply
   676,520.96x = 932,954.72 × 404,544.56
4. Step 4: Simplify right side
   676,520.96x = 377,421,756,702.32
5. Step 5: Solve for x
   x = 377,421,756,702.32/676,520.96
6. Step 6: Final answer
   x = 557,886.27