Finding the Fourth Proportional to 111,942.82, 154,488.12 and 61,641.82

Step by Step Solution

1. Step 1: Write the proportion equation
   111,942.82 : 154,488.12 = 61,641.82 : x
2. Step 2: Convert to fraction form
   111,942.82/154,488.12 = 61,641.82/x
3. Step 3: Cross multiply
   111,942.82x = 154,488.12 × 61,641.82
4. Step 4: Simplify right side
   111,942.82x = 9,522,928,885.18
5. Step 5: Solve for x
   x = 9,522,928,885.18/111,942.82
6. Step 6: Final answer
   x = 85,069.58