Finding the Fourth Proportional to 79,905.98, 119,932.59 and 40,491.02

Step by Step Solution

1. Step 1: Write the proportion equation
   79,905.98 : 119,932.59 = 40,491.02 : x
2. Step 2: Convert to fraction form
   79,905.98/119,932.59 = 40,491.02/x
3. Step 3: Cross multiply
   79,905.98x = 119,932.59 × 40,491.02
4. Step 4: Simplify right side
   79,905.98x = 4,856,192,900.34
5. Step 5: Solve for x
   x = 4,856,192,900.34/79,905.98
6. Step 6: Final answer
   x = 60,773.84