Finding the Fourth Proportional to 164,071.31, 226,418.57 and 88,619.81

Step by Step Solution

1. Step 1: Write the proportion equation
   164,071.31 : 226,418.57 = 88,619.81 : x
2. Step 2: Convert to fraction form
   164,071.31/226,418.57 = 88,619.81/x
3. Step 3: Cross multiply
   164,071.31x = 226,418.57 × 88,619.81
4. Step 4: Simplify right side
   164,071.31x = 20,065,170,776.82
5. Step 5: Solve for x
   x = 20,065,170,776.82/164,071.31
6. Step 6: Final answer
   x = 122,295.42