Finding the Fourth Proportional to 164,511, 227,026.80 and 89,061.12

Step by Step Solution

1. Step 1: Write the proportion equation
   164,511 : 227,026.80 = 89,061.12 : x
2. Step 2: Convert to fraction form
   164,511/227,026.80 = 89,061.12/x
3. Step 3: Cross multiply
   164,511x = 227,026.80 × 89,061.12
4. Step 4: Simplify right side
   164,511x = 20,219,261,078.02
5. Step 5: Solve for x
   x = 20,219,261,078.02/164,511
6. Step 6: Final answer
   x = 122,905.22