Finding the Fourth Proportional to 111,287.24, 153,571.38 and 60,985.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,287.24 : 153,571.38 = 60,985.16 : x
2. Step 2: Convert to fraction form
   111,287.24/153,571.38 = 60,985.16/x
3. Step 3: Cross multiply
   111,287.24x = 153,571.38 × 60,985.16
4. Step 4: Simplify right side
   111,287.24x = 9,365,575,180.72
5. Step 5: Solve for x
   x = 9,365,575,180.72/111,287.24
6. Step 6: Final answer
   x = 84,156.77