Finding the Fourth Proportional to 111,904.92, 154,423.94 and 60,917.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,904.92 : 154,423.94 = 60,917.72 : x
2. Step 2: Convert to fraction form
   111,904.92/154,423.94 = 60,917.72/x
3. Step 3: Cross multiply
   111,904.92x = 154,423.94 × 60,917.72
4. Step 4: Simplify right side
   111,904.92x = 9,407,154,338.22
5. Step 5: Solve for x
   x = 9,407,154,338.22/111,904.92
6. Step 6: Final answer
   x = 84,063.81