Finding the Fourth Proportional to 562,914.86, 776,816.69 and 304,787.37

Step by Step Solution

1. Step 1: Write the proportion equation
   562,914.86 : 776,816.69 = 304,787.37 : x
2. Step 2: Convert to fraction form
   562,914.86/776,816.69 = 304,787.37/x
3. Step 3: Cross multiply
   562,914.86x = 776,816.69 × 304,787.37
4. Step 4: Simplify right side
   562,914.86x = 236,763,914,393.27
5. Step 5: Solve for x
   x = 236,763,914,393.27/562,914.86
6. Step 6: Final answer
   x = 420,603.42