Finding the Fourth Proportional to 111,839.86, 154,334.39 and 60,852.79

Step by Step Solution

1. Step 1: Write the proportion equation
   111,839.86 : 154,334.39 = 60,852.79 : x
2. Step 2: Convert to fraction form
   111,839.86/154,334.39 = 60,852.79/x
3. Step 3: Cross multiply
   111,839.86x = 154,334.39 × 60,852.79
4. Step 4: Simplify right side
   111,839.86x = 9,391,678,718.32
5. Step 5: Solve for x
   x = 9,391,678,718.32/111,839.86
6. Step 6: Final answer
   x = 83,974.34