Finding the Fourth Proportional to 146,016.18, 201,482.37 and 89,415.54

Step by Step Solution

1. Step 1: Write the proportion equation
   146,016.18 : 201,482.37 = 89,415.54 : x
2. Step 2: Convert to fraction form
   146,016.18/201,482.37 = 89,415.54/x
3. Step 3: Cross multiply
   146,016.18x = 201,482.37 × 89,415.54
4. Step 4: Simplify right side
   146,016.18x = 18,015,654,914.03
5. Step 5: Solve for x
   x = 18,015,654,914.03/146,016.18
6. Step 6: Final answer
   x = 123,381.22