Finding the Fourth Proportional to 164,372.50, 226,834.32 and 88,921

Step by Step Solution

1. Step 1: Write the proportion equation
   164,372.50 : 226,834.32 = 88,921 : x
2. Step 2: Convert to fraction form
   164,372.50/226,834.32 = 88,921/x
3. Step 3: Cross multiply
   164,372.50x = 226,834.32 × 88,921
4. Step 4: Simplify right side
   164,372.50x = 20,170,334,568.72
5. Step 5: Solve for x
   x = 20,170,334,568.72/164,372.50
6. Step 6: Final answer
   x = 122,711.13