Finding the Fourth Proportional to 111,642.02, 154,067.74 and 60,655.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,642.02 : 154,067.74 = 60,655.76 : x
2. Step 2: Convert to fraction form
   111,642.02/154,067.74 = 60,655.76/x
3. Step 3: Cross multiply
   111,642.02x = 154,067.74 × 60,655.76
4. Step 4: Simplify right side
   111,642.02x = 9,345,096,514.76
5. Step 5: Solve for x
   x = 9,345,096,514.76/111,642.02
6. Step 6: Final answer
   x = 83,705.90