Finding the Fourth Proportional to 164,072.56, 226,420.29 and 88,621.06

Step by Step Solution

1. Step 1: Write the proportion equation
   164,072.56 : 226,420.29 = 88,621.06 : x
2. Step 2: Convert to fraction form
   164,072.56/226,420.29 = 88,621.06/x
3. Step 3: Cross multiply
   164,072.56x = 226,420.29 × 88,621.06
4. Step 4: Simplify right side
   164,072.56x = 20,065,606,105.31
5. Step 5: Solve for x
   x = 20,065,606,105.31/164,072.56
6. Step 6: Final answer
   x = 122,297.15