Finding the Fourth Proportional to 636,976.52, 879,051.86 and 365,096.89

Step by Step Solution

1. Step 1: Write the proportion equation
   636,976.52 : 879,051.86 = 365,096.89 : x
2. Step 2: Convert to fraction form
   636,976.52/879,051.86 = 365,096.89/x
3. Step 3: Cross multiply
   636,976.52x = 879,051.86 × 365,096.89
4. Step 4: Simplify right side
   636,976.52x = 320,939,096,211.60
5. Step 5: Solve for x
   x = 320,939,096,211.60/636,976.52
6. Step 6: Final answer
   x = 503,847.61