Finding the Fourth Proportional to 111,820.52, 154,315.19 and 60,836.09

Step by Step Solution

1. Step 1: Write the proportion equation
   111,820.52 : 154,315.19 = 60,836.09 : x
2. Step 2: Convert to fraction form
   111,820.52/154,315.19 = 60,836.09/x
3. Step 3: Cross multiply
   111,820.52x = 154,315.19 × 60,836.09
4. Step 4: Simplify right side
   111,820.52x = 9,387,932,167.72
5. Step 5: Solve for x
   x = 9,387,932,167.72/111,820.52
6. Step 6: Final answer
   x = 83,955.36