Finding the Fourth Proportional to 79,109.48, 109,171.31 and 43,299.78

Step by Step Solution

1. Step 1: Write the proportion equation
   79,109.48 : 109,171.31 = 43,299.78 : x
2. Step 2: Convert to fraction form
   79,109.48/109,171.31 = 43,299.78/x
3. Step 3: Cross multiply
   79,109.48x = 109,171.31 × 43,299.78
4. Step 4: Simplify right side
   79,109.48x = 4,727,093,488.81
5. Step 5: Solve for x
   x = 4,727,093,488.81/79,109.48
6. Step 6: Final answer
   x = 59,753.82