Finding the Fourth Proportional to 111,696.66, 154,142.42 and 60,709.51

Step by Step Solution

1. Step 1: Write the proportion equation
   111,696.66 : 154,142.42 = 60,709.51 : x
2. Step 2: Convert to fraction form
   111,696.66/154,142.42 = 60,709.51/x
3. Step 3: Cross multiply
   111,696.66x = 154,142.42 × 60,709.51
4. Step 4: Simplify right side
   111,696.66x = 9,357,910,554.83
5. Step 5: Solve for x
   x = 9,357,910,554.83/111,696.66
6. Step 6: Final answer
   x = 83,779.68