Finding the Fourth Proportional to 111,850.84, 154,384.50 and 65,950.60

Step by Step Solution

1. Step 1: Write the proportion equation
   111,850.84 : 154,384.50 = 65,950.60 : x
2. Step 2: Convert to fraction form
   111,850.84/154,384.50 = 65,950.60/x
3. Step 3: Cross multiply
   111,850.84x = 154,384.50 × 65,950.60
4. Step 4: Simplify right side
   111,850.84x = 10,181,750,405.70
5. Step 5: Solve for x
   x = 10,181,750,405.70/111,850.84
6. Step 6: Final answer
   x = 91,029.72