Finding the Fourth Proportional to 111,173.84, 153,419.71 and 60,186.55

Step by Step Solution

1. Step 1: Write the proportion equation
   111,173.84 : 153,419.71 = 60,186.55 : x
2. Step 2: Convert to fraction form
   111,173.84/153,419.71 = 60,186.55/x
3. Step 3: Cross multiply
   111,173.84x = 153,419.71 × 60,186.55
4. Step 4: Simplify right side
   111,173.84x = 9,233,803,430.45
5. Step 5: Solve for x
   x = 9,233,803,430.45/111,173.84
6. Step 6: Final answer
   x = 83,057.34