Finding the Fourth Proportional to 79,100.72, 109,156.56 and 43,289.96

Step by Step Solution

1. Step 1: Write the proportion equation
   79,100.72 : 109,156.56 = 43,289.96 : x
2. Step 2: Convert to fraction form
   79,100.72/109,156.56 = 43,289.96/x
3. Step 3: Cross multiply
   79,100.72x = 109,156.56 × 43,289.96
4. Step 4: Simplify right side
   79,100.72x = 4,725,383,116.14
5. Step 5: Solve for x
   x = 4,725,383,116.14/79,100.72
6. Step 6: Final answer
   x = 59,738.81