Finding the Fourth Proportional to 164,487, 226,992.06 and 89,035.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,487 : 226,992.06 = 89,035.50 : x
2. Step 2: Convert to fraction form
   164,487/226,992.06 = 89,035.50/x
3. Step 3: Cross multiply
   164,487x = 226,992.06 × 89,035.50
4. Step 4: Simplify right side
   164,487x = 20,210,351,558.13
5. Step 5: Solve for x
   x = 20,210,351,558.13/164,487
6. Step 6: Final answer
   x = 122,868.99