Finding the Fourth Proportional to 80,530.58, 120,704.72 and 41,004.20

Step by Step Solution

1. Step 1: Write the proportion equation
   80,530.58 : 120,704.72 = 41,004.20 : x
2. Step 2: Convert to fraction form
   80,530.58/120,704.72 = 41,004.20/x
3. Step 3: Cross multiply
   80,530.58x = 120,704.72 × 41,004.20
4. Step 4: Simplify right side
   80,530.58x = 4,949,399,876.30
5. Step 5: Solve for x
   x = 4,949,399,876.30/80,530.58
6. Step 6: Final answer
   x = 61,459.88