Finding the Fourth Proportional to 111,172.30, 153,416.53 and 60,183.81

Step by Step Solution

1. Step 1: Write the proportion equation
   111,172.30 : 153,416.53 = 60,183.81 : x
2. Step 2: Convert to fraction form
   111,172.30/153,416.53 = 60,183.81/x
3. Step 3: Cross multiply
   111,172.30x = 153,416.53 × 60,183.81
4. Step 4: Simplify right side
   111,172.30x = 9,233,191,367.61
5. Step 5: Solve for x
   x = 9,233,191,367.61/111,172.30
6. Step 6: Final answer
   x = 83,052.99