Finding the Fourth Proportional to 221,238.56, 331,859.04 and 55,026.56

Step by Step Solution

1. Step 1: Write the proportion equation
   221,238.56 : 331,859.04 = 55,026.56 : x
2. Step 2: Convert to fraction form
   221,238.56/331,859.04 = 55,026.56/x
3. Step 3: Cross multiply
   221,238.56x = 331,859.04 × 55,026.56
4. Step 4: Simplify right side
   221,238.56x = 18,261,061,376.10
5. Step 5: Solve for x
   x = 18,261,061,376.10/221,238.56
6. Step 6: Final answer
   x = 82,540.14