Finding the Fourth Proportional to 111,851.52, 154,354.82 and 61,550.52

Step by Step Solution

1. Step 1: Write the proportion equation
   111,851.52 : 154,354.82 = 61,550.52 : x
2. Step 2: Convert to fraction form
   111,851.52/154,354.82 = 61,550.52/x
3. Step 3: Cross multiply
   111,851.52x = 154,354.82 × 61,550.52
4. Step 4: Simplify right side
   111,851.52x = 9,500,619,435.51
5. Step 5: Solve for x
   x = 9,500,619,435.51/111,851.52
6. Step 6: Final answer
   x = 84,939.56