Finding the Fourth Proportional to 164,513.19, 227,028.30 and 89,061.69

Step by Step Solution

1. Step 1: Write the proportion equation
   164,513.19 : 227,028.30 = 89,061.69 : x
2. Step 2: Convert to fraction form
   164,513.19/227,028.30 = 89,061.69/x
3. Step 3: Cross multiply
   164,513.19x = 227,028.30 × 89,061.69
4. Step 4: Simplify right side
   164,513.19x = 20,219,524,075.83
5. Step 5: Solve for x
   x = 20,219,524,075.83/164,513.19
6. Step 6: Final answer
   x = 122,905.19