Finding the Fourth Proportional to 164,441.72, 226,930.28 and 88,990.22

Step by Step Solution

1. Step 1: Write the proportion equation
   164,441.72 : 226,930.28 = 88,990.22 : x
2. Step 2: Convert to fraction form
   164,441.72/226,930.28 = 88,990.22/x
3. Step 3: Cross multiply
   164,441.72x = 226,930.28 × 88,990.22
4. Step 4: Simplify right side
   164,441.72x = 20,194,575,541.86
5. Step 5: Solve for x
   x = 20,194,575,541.86/164,441.72
6. Step 6: Final answer
   x = 122,806.89