Finding the Fourth Proportional to 164,961, 227,646.18 and 89,509.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,961 : 227,646.18 = 89,509.50 : x
2. Step 2: Convert to fraction form
   164,961/227,646.18 = 89,509.50/x
3. Step 3: Cross multiply
   164,961x = 227,646.18 × 89,509.50
4. Step 4: Simplify right side
   164,961x = 20,376,495,748.71
5. Step 5: Solve for x
   x = 20,376,495,748.71/164,961
6. Step 6: Final answer
   x = 123,523.11