Finding the Fourth Proportional to 111,164.28, 153,406.54 and 60,176.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,164.28 : 153,406.54 = 60,176.76 : x
2. Step 2: Convert to fraction form
   111,164.28/153,406.54 = 60,176.76/x
3. Step 3: Cross multiply
   111,164.28x = 153,406.54 × 60,176.76
4. Step 4: Simplify right side
   111,164.28x = 9,231,508,540.01
5. Step 5: Solve for x
   x = 9,231,508,540.01/111,164.28
6. Step 6: Final answer
   x = 83,043.84