Finding the Fourth Proportional to 111,078.54, 153,288.54 and 60,777.54

Step by Step Solution

1. Step 1: Write the proportion equation
   111,078.54 : 153,288.54 = 60,777.54 : x
2. Step 2: Convert to fraction form
   111,078.54/153,288.54 = 60,777.54/x
3. Step 3: Cross multiply
   111,078.54x = 153,288.54 × 60,777.54
4. Step 4: Simplify right side
   111,078.54x = 9,316,500,371.39
5. Step 5: Solve for x
   x = 9,316,500,371.39/111,078.54
6. Step 6: Final answer
   x = 83,873.09