Finding the Fourth Proportional to 164,356.50, 226,812.17 and 88,905

Step by Step Solution

1. Step 1: Write the proportion equation
   164,356.50 : 226,812.17 = 88,905 : x
2. Step 2: Convert to fraction form
   164,356.50/226,812.17 = 88,905/x
3. Step 3: Cross multiply
   164,356.50x = 226,812.17 × 88,905
4. Step 4: Simplify right side
   164,356.50x = 20,164,736,196.11
5. Step 5: Solve for x
   x = 20,164,736,196.11/164,356.50
6. Step 6: Final answer
   x = 122,689.01