Finding the Fourth Proportional to 111,696.83, 154,143.18 and 60,709.54

Step by Step Solution

1. Step 1: Write the proportion equation
   111,696.83 : 154,143.18 = 60,709.54 : x
2. Step 2: Convert to fraction form
   111,696.83/154,143.18 = 60,709.54/x
3. Step 3: Cross multiply
   111,696.83x = 154,143.18 × 60,709.54
4. Step 4: Simplify right side
   111,696.83x = 9,357,962,089.07
5. Step 5: Solve for x
   x = 9,357,962,089.07/111,696.83
6. Step 6: Final answer
   x = 83,780.02