Finding the Fourth Proportional to 68,499.20, 94,506.72 and 40,211.84

Step by Step Solution

1. Step 1: Write the proportion equation
   68,499.20 : 94,506.72 = 40,211.84 : x
2. Step 2: Convert to fraction form
   68,499.20/94,506.72 = 40,211.84/x
3. Step 3: Cross multiply
   68,499.20x = 94,506.72 × 40,211.84
4. Step 4: Simplify right side
   68,499.20x = 3,800,289,103.56
5. Step 5: Solve for x
   x = 3,800,289,103.56/68,499.20
6. Step 6: Final answer
   x = 55,479.32