Finding the Fourth Proportional to 715,573.18, 987,079.82 and 446,834.62

Step by Step Solution

1. Step 1: Write the proportion equation
   715,573.18 : 987,079.82 = 446,834.62 : x
2. Step 2: Convert to fraction form
   715,573.18/987,079.82 = 446,834.62/x
3. Step 3: Cross multiply
   715,573.18x = 987,079.82 × 446,834.62
4. Step 4: Simplify right side
   715,573.18x = 441,061,436,279.37
5. Step 5: Solve for x
   x = 441,061,436,279.37/715,573.18
6. Step 6: Final answer
   x = 616,375.02