Finding the Fourth Proportional to 164,810.72, 227,438.88 and 89,359.04

Step by Step Solution

1. Step 1: Write the proportion equation
   164,810.72 : 227,438.88 = 89,359.04 : x
2. Step 2: Convert to fraction form
   164,810.72/227,438.88 = 89,359.04/x
3. Step 3: Cross multiply
   164,810.72x = 227,438.88 × 89,359.04
4. Step 4: Simplify right side
   164,810.72x = 20,323,719,975.48
5. Step 5: Solve for x
   x = 20,323,719,975.48/164,810.72
6. Step 6: Final answer
   x = 123,315.52