Finding the Fourth Proportional to 541,460.72, 812,329.32 and 162,380

Step by Step Solution

1. Step 1: Write the proportion equation
   541,460.72 : 812,329.32 = 162,380 : x
2. Step 2: Convert to fraction form
   541,460.72/812,329.32 = 162,380/x
3. Step 3: Cross multiply
   541,460.72x = 812,329.32 × 162,380
4. Step 4: Simplify right side
   541,460.72x = 131,906,034,981.60
5. Step 5: Solve for x
   x = 131,906,034,981.60/541,460.72
6. Step 6: Final answer
   x = 243,611.46