Finding the Fourth Proportional to 79,015.30, 109,037.82 and 43,206.55

Step by Step Solution

1. Step 1: Write the proportion equation
   79,015.30 : 109,037.82 = 43,206.55 : x
2. Step 2: Convert to fraction form
   79,015.30/109,037.82 = 43,206.55/x
3. Step 3: Cross multiply
   79,015.30x = 109,037.82 × 43,206.55
4. Step 4: Simplify right side
   79,015.30x = 4,711,148,021.72
5. Step 5: Solve for x
   x = 4,711,148,021.72/79,015.30
6. Step 6: Final answer
   x = 59,623.24