Finding the Fourth Proportional to 79,439.34, 109,628.28 and 43,632.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,439.34 : 109,628.28 = 43,632.72 : x
2. Step 2: Convert to fraction form
   79,439.34/109,628.28 = 43,632.72/x
3. Step 3: Cross multiply
   79,439.34x = 109,628.28 × 43,632.72
4. Step 4: Simplify right side
   79,439.34x = 4,783,380,045.32
5. Step 5: Solve for x
   x = 4,783,380,045.32/79,439.34
6. Step 6: Final answer
   x = 60,214.25