Finding the Fourth Proportional to 111,696.54, 154,142.07 and 60,709.29

Step by Step Solution

1. Step 1: Write the proportion equation
   111,696.54 : 154,142.07 = 60,709.29 : x
2. Step 2: Convert to fraction form
   111,696.54/154,142.07 = 60,709.29/x
3. Step 3: Cross multiply
   111,696.54x = 154,142.07 × 60,709.29
4. Step 4: Simplify right side
   111,696.54x = 9,357,855,628.83
5. Step 5: Solve for x
   x = 9,357,855,628.83/111,696.54
6. Step 6: Final answer
   x = 83,779.28