Finding the Fourth Proportional to 493,685.69, 740,452.89 and 156,682.65

Step by Step Solution

1. Step 1: Write the proportion equation
   493,685.69 : 740,452.89 = 156,682.65 : x
2. Step 2: Convert to fraction form
   493,685.69/740,452.89 = 156,682.65/x
3. Step 3: Cross multiply
   493,685.69x = 740,452.89 × 156,682.65
4. Step 4: Simplify right side
   493,685.69x = 116,016,124,369.62
5. Step 5: Solve for x
   x = 116,016,124,369.62/493,685.69
6. Step 6: Final answer
   x = 234,999.98