Finding the Fourth Proportional to 111,173.87, 153,419.75 and 60,186.59

Step by Step Solution

1. Step 1: Write the proportion equation
   111,173.87 : 153,419.75 = 60,186.59 : x
2. Step 2: Convert to fraction form
   111,173.87/153,419.75 = 60,186.59/x
3. Step 3: Cross multiply
   111,173.87x = 153,419.75 × 60,186.59
4. Step 4: Simplify right side
   111,173.87x = 9,233,810,974.52
5. Step 5: Solve for x
   x = 9,233,810,974.52/111,173.87
6. Step 6: Final answer
   x = 83,057.38