Finding the Fourth Proportional to 111,009.33, 153,189.77 and 60,707.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,009.33 : 153,189.77 = 60,707.25 : x
2. Step 2: Convert to fraction form
   111,009.33/153,189.77 = 60,707.25/x
3. Step 3: Cross multiply
   111,009.33x = 153,189.77 × 60,707.25
4. Step 4: Simplify right side
   111,009.33x = 9,299,729,361.30
5. Step 5: Solve for x
   x = 9,299,729,361.30/111,009.33
6. Step 6: Final answer
   x = 83,774.30