Finding the Fourth Proportional to 164,321.59, 226,763.80 and 88,870.09

Step by Step Solution

1. Step 1: Write the proportion equation
   164,321.59 : 226,763.80 = 88,870.09 : x
2. Step 2: Convert to fraction form
   164,321.59/226,763.80 = 88,870.09/x
3. Step 3: Cross multiply
   164,321.59x = 226,763.80 × 88,870.09
4. Step 4: Simplify right side
   164,321.59x = 20,152,520,276.19
5. Step 5: Solve for x
   x = 20,152,520,276.19/164,321.59
6. Step 6: Final answer
   x = 122,640.73