Finding the Fourth Proportional to 164,959, 227,643.42 and 89,507.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,959 : 227,643.42 = 89,507.50 : x
2. Step 2: Convert to fraction form
   164,959/227,643.42 = 89,507.50/x
3. Step 3: Cross multiply
   164,959x = 227,643.42 × 89,507.50
4. Step 4: Simplify right side
   164,959x = 20,375,793,415.65
5. Step 5: Solve for x
   x = 20,375,793,415.65/164,959
6. Step 6: Final answer
   x = 123,520.35