Finding the Fourth Proportional to 111,648.30, 167,529.42 and 74,233.86

Step by Step Solution

1. Step 1: Write the proportion equation
   111,648.30 : 167,529.42 = 74,233.86 : x
2. Step 2: Convert to fraction form
   111,648.30/167,529.42 = 74,233.86/x
3. Step 3: Cross multiply
   111,648.30x = 167,529.42 × 74,233.86
4. Step 4: Simplify right side
   111,648.30x = 12,436,355,510.16
5. Step 5: Solve for x
   x = 12,436,355,510.16/111,648.30
6. Step 6: Final answer
   x = 111,388.67