Finding the Fourth Proportional to 441,223.56, 662,054.04 and 174,978.18

Step by Step Solution

1. Step 1: Write the proportion equation
   441,223.56 : 662,054.04 = 174,978.18 : x
2. Step 2: Convert to fraction form
   441,223.56/662,054.04 = 174,978.18/x
3. Step 3: Cross multiply
   441,223.56x = 662,054.04 × 174,978.18
4. Step 4: Simplify right side
   441,223.56x = 115,845,010,980.85
5. Step 5: Solve for x
   x = 115,845,010,980.85/441,223.56
6. Step 6: Final answer
   x = 262,554.00