Finding the Fourth Proportional to 161,955.42, 223,493.67 and 90,333.83

Step by Step Solution

1. Step 1: Write the proportion equation
   161,955.42 : 223,493.67 = 90,333.83 : x
2. Step 2: Convert to fraction form
   161,955.42/223,493.67 = 90,333.83/x
3. Step 3: Cross multiply
   161,955.42x = 223,493.67 × 90,333.83
4. Step 4: Simplify right side
   161,955.42x = 20,189,038,074.39
5. Step 5: Solve for x
   x = 20,189,038,074.39/161,955.42
6. Step 6: Final answer
   x = 124,658.00