Finding the Fourth Proportional to 214,978.46, 322,466.67 and 55,054.08

Step by Step Solution

1. Step 1: Write the proportion equation
   214,978.46 : 322,466.67 = 55,054.08 : x
2. Step 2: Convert to fraction form
   214,978.46/322,466.67 = 55,054.08/x
3. Step 3: Cross multiply
   214,978.46x = 322,466.67 × 55,054.08
4. Step 4: Simplify right side
   214,978.46x = 17,753,105,847.51
5. Step 5: Solve for x
   x = 17,753,105,847.51/214,978.46
6. Step 6: Final answer
   x = 82,580.86