Finding the Fourth Proportional to 79,288.01, 109,419 and 43,478.09

Step by Step Solution

1. Step 1: Write the proportion equation
   79,288.01 : 109,419 = 43,478.09 : x
2. Step 2: Convert to fraction form
   79,288.01/109,419 = 43,478.09/x
3. Step 3: Cross multiply
   79,288.01x = 109,419 × 43,478.09
4. Step 4: Simplify right side
   79,288.01x = 4,757,328,582.62
5. Step 5: Solve for x
   x = 4,757,328,582.62/79,288.01
6. Step 6: Final answer
   x = 60,000.61