Finding the Fourth Proportional to 111,128.24, 153,354.12 and 60,824

Step by Step Solution

1. Step 1: Write the proportion equation
   111,128.24 : 153,354.12 = 60,824 : x
2. Step 2: Convert to fraction form
   111,128.24/153,354.12 = 60,824/x
3. Step 3: Cross multiply
   111,128.24x = 153,354.12 × 60,824
4. Step 4: Simplify right side
   111,128.24x = 9,327,610,994.88
5. Step 5: Solve for x
   x = 9,327,610,994.88/111,128.24
6. Step 6: Final answer
   x = 83,935.56