Finding the Fourth Proportional to 164,950.61, 227,631.69 and 89,499.11

Step by Step Solution

1. Step 1: Write the proportion equation
   164,950.61 : 227,631.69 = 89,499.11 : x
2. Step 2: Convert to fraction form
   164,950.61/227,631.69 = 89,499.11/x
3. Step 3: Cross multiply
   164,950.61x = 227,631.69 × 89,499.11
4. Step 4: Simplify right side
   164,950.61x = 20,372,832,524.64
5. Step 5: Solve for x
   x = 20,372,832,524.64/164,950.61
6. Step 6: Final answer
   x = 123,508.69