Finding the Fourth Proportional to 111,204.72, 153,466.20 and 60,906.48

Step by Step Solution

1. Step 1: Write the proportion equation
   111,204.72 : 153,466.20 = 60,906.48 : x
2. Step 2: Convert to fraction form
   111,204.72/153,466.20 = 60,906.48/x
3. Step 3: Cross multiply
   111,204.72x = 153,466.20 × 60,906.48
4. Step 4: Simplify right side
   111,204.72x = 9,347,086,040.98
5. Step 5: Solve for x
   x = 9,347,086,040.98/111,204.72
6. Step 6: Final answer
   x = 84,052.96