Finding the Fourth Proportional to 441,651.34, 662,487.90 and 161,168.50

Step by Step Solution

1. Step 1: Write the proportion equation
   441,651.34 : 662,487.90 = 161,168.50 : x
2. Step 2: Convert to fraction form
   441,651.34/662,487.90 = 161,168.50/x
3. Step 3: Cross multiply
   441,651.34x = 662,487.90 × 161,168.50
4. Step 4: Simplify right side
   441,651.34x = 106,772,181,111.15
5. Step 5: Solve for x
   x = 106,772,181,111.15/441,651.34
6. Step 6: Final answer
   x = 241,756.72