Finding the Fourth Proportional to 79,130.72, 109,203 and 43,320.62

Step by Step Solution

1. Step 1: Write the proportion equation
   79,130.72 : 109,203 = 43,320.62 : x
2. Step 2: Convert to fraction form
   79,130.72/109,203 = 43,320.62/x
3. Step 3: Cross multiply
   79,130.72x = 109,203 × 43,320.62
4. Step 4: Simplify right side
   79,130.72x = 4,730,741,665.86
5. Step 5: Solve for x
   x = 4,730,741,665.86/79,130.72
6. Step 6: Final answer
   x = 59,783.88