Finding the Fourth Proportional to 79,978.24, 120,004.45 and 34,993.67

Step by Step Solution

1. Step 1: Write the proportion equation
   79,978.24 : 120,004.45 = 34,993.67 : x
2. Step 2: Convert to fraction form
   79,978.24/120,004.45 = 34,993.67/x
3. Step 3: Cross multiply
   79,978.24x = 120,004.45 × 34,993.67
4. Step 4: Simplify right side
   79,978.24x = 4,199,396,121.83
5. Step 5: Solve for x
   x = 4,199,396,121.83/79,978.24
6. Step 6: Final answer
   x = 52,506.73