Finding the Fourth Proportional to 166,633.05, 229,953 and 90,152.37

Step by Step Solution

1. Step 1: Write the proportion equation
   166,633.05 : 229,953 = 90,152.37 : x
2. Step 2: Convert to fraction form
   166,633.05/229,953 = 90,152.37/x
3. Step 3: Cross multiply
   166,633.05x = 229,953 × 90,152.37
4. Step 4: Simplify right side
   166,633.05x = 20,730,807,938.61
5. Step 5: Solve for x
   x = 20,730,807,938.61/166,633.05
6. Step 6: Final answer
   x = 124,409.94