Finding the Fourth Proportional to 79,019.69, 109,046.12 and 45,030.20

Step by Step Solution

1. Step 1: Write the proportion equation
   79,019.69 : 109,046.12 = 45,030.20 : x
2. Step 2: Convert to fraction form
   79,019.69/109,046.12 = 45,030.20/x
3. Step 3: Cross multiply
   79,019.69x = 109,046.12 × 45,030.20
4. Step 4: Simplify right side
   79,019.69x = 4,910,367,822.44
5. Step 5: Solve for x
   x = 4,910,367,822.44/79,019.69
6. Step 6: Final answer
   x = 62,141.07