Finding the Fourth Proportional to 164,485, 226,989.30 and 89,034.04

Step by Step Solution

1. Step 1: Write the proportion equation
   164,485 : 226,989.30 = 89,034.04 : x
2. Step 2: Convert to fraction form
   164,485/226,989.30 = 89,034.04/x
3. Step 3: Cross multiply
   164,485x = 226,989.30 × 89,034.04
4. Step 4: Simplify right side
   164,485x = 20,209,774,415.77
5. Step 5: Solve for x
   x = 20,209,774,415.77/164,485
6. Step 6: Final answer
   x = 122,866.98