Finding the Fourth Proportional to 111,789.36, 154,269.72 and 60,802.08

Step by Step Solution

1. Step 1: Write the proportion equation
   111,789.36 : 154,269.72 = 60,802.08 : x
2. Step 2: Convert to fraction form
   111,789.36/154,269.72 = 60,802.08/x
3. Step 3: Cross multiply
   111,789.36x = 154,269.72 × 60,802.08
4. Step 4: Simplify right side
   111,789.36x = 9,379,919,857.02
5. Step 5: Solve for x
   x = 9,379,919,857.02/111,789.36
6. Step 6: Final answer
   x = 83,907.09