Finding the Fourth Proportional to 166,003.94, 229,086.16 and 90,554.06

Step by Step Solution

1. Step 1: Write the proportion equation
   166,003.94 : 229,086.16 = 90,554.06 : x
2. Step 2: Convert to fraction form
   166,003.94/229,086.16 = 90,554.06/x
3. Step 3: Cross multiply
   166,003.94x = 229,086.16 × 90,554.06
4. Step 4: Simplify right side
   166,003.94x = 20,744,681,877.81
5. Step 5: Solve for x
   x = 20,744,681,877.81/166,003.94
6. Step 6: Final answer
   x = 124,965.00