Finding the Fourth Proportional to 79,974.42, 119,978.52 and 30,054.96

Step by Step Solution

1. Step 1: Write the proportion equation
   79,974.42 : 119,978.52 = 30,054.96 : x
2. Step 2: Convert to fraction form
   79,974.42/119,978.52 = 30,054.96/x
3. Step 3: Cross multiply
   79,974.42x = 119,978.52 × 30,054.96
4. Step 4: Simplify right side
   79,974.42x = 3,605,949,619.46
5. Step 5: Solve for x
   x = 3,605,949,619.46/79,974.42
6. Step 6: Final answer
   x = 45,088.79