Finding the Fourth Proportional to 164,394, 226,863.72 and 88,942.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,394 : 226,863.72 = 88,942.50 : x
2. Step 2: Convert to fraction form
   164,394/226,863.72 = 88,942.50/x
3. Step 3: Cross multiply
   164,394x = 226,863.72 × 88,942.50
4. Step 4: Simplify right side
   164,394x = 20,177,826,416.10
5. Step 5: Solve for x
   x = 20,177,826,416.10/164,394
6. Step 6: Final answer
   x = 122,740.65