Finding the Fourth Proportional to 164,838, 227,477.86 and 89,386.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,838 : 227,477.86 = 89,386.50 : x
2. Step 2: Convert to fraction form
   164,838/227,477.86 = 89,386.50/x
3. Step 3: Cross multiply
   164,838x = 227,477.86 × 89,386.50
4. Step 4: Simplify right side
   164,838x = 20,333,449,732.89
5. Step 5: Solve for x
   x = 20,333,449,732.89/164,838
6. Step 6: Final answer
   x = 123,354.14