Finding the Fourth Proportional to 164,426.90, 226,909.72 and 88,975.40

Step by Step Solution

1. Step 1: Write the proportion equation
   164,426.90 : 226,909.72 = 88,975.40 : x
2. Step 2: Convert to fraction form
   164,426.90/226,909.72 = 88,975.40/x
3. Step 3: Cross multiply
   164,426.90x = 226,909.72 × 88,975.40
4. Step 4: Simplify right side
   164,426.90x = 20,189,383,100.89
5. Step 5: Solve for x
   x = 20,189,383,100.89/164,426.90
6. Step 6: Final answer
   x = 122,786.38