Finding the Fourth Proportional to 387,269.72, 581,131.94 and 162,612.88

Step by Step Solution

1. Step 1: Write the proportion equation
   387,269.72 : 581,131.94 = 162,612.88 : x
2. Step 2: Convert to fraction form
   387,269.72/581,131.94 = 162,612.88/x
3. Step 3: Cross multiply
   387,269.72x = 581,131.94 × 162,612.88
4. Step 4: Simplify right side
   387,269.72x = 94,499,538,423.39
5. Step 5: Solve for x
   x = 94,499,538,423.39/387,269.72
6. Step 6: Final answer
   x = 244,014.79