Finding the Fourth Proportional to 166,005, 229,088.52 and 90,555.12

Step by Step Solution

1. Step 1: Write the proportion equation
   166,005 : 229,088.52 = 90,555.12 : x
2. Step 2: Convert to fraction form
   166,005/229,088.52 = 90,555.12/x
3. Step 3: Cross multiply
   166,005x = 229,088.52 × 90,555.12
4. Step 4: Simplify right side
   166,005x = 20,745,138,419.22
5. Step 5: Solve for x
   x = 20,745,138,419.22/166,005
6. Step 6: Final answer
   x = 124,966.95