Finding the Fourth Proportional to 120,598.96, 166,399.75 and 69,600.89

Step by Step Solution

1. Step 1: Write the proportion equation
   120,598.96 : 166,399.75 = 69,600.89 : x
2. Step 2: Convert to fraction form
   120,598.96/166,399.75 = 69,600.89/x
3. Step 3: Cross multiply
   120,598.96x = 166,399.75 × 69,600.89
4. Step 4: Simplify right side
   120,598.96x = 11,581,570,574.78
5. Step 5: Solve for x
   x = 11,581,570,574.78/120,598.96
6. Step 6: Final answer
   x = 96,033.75