Finding the Fourth Proportional to 79,040.72, 109,070.28 and 43,228.88

Step by Step Solution

1. Step 1: Write the proportion equation
   79,040.72 : 109,070.28 = 43,228.88 : x
2. Step 2: Convert to fraction form
   79,040.72/109,070.28 = 43,228.88/x
3. Step 3: Cross multiply
   79,040.72x = 109,070.28 × 43,228.88
4. Step 4: Simplify right side
   79,040.72x = 4,714,986,045.69
5. Step 5: Solve for x
   x = 4,714,986,045.69/79,040.72
6. Step 6: Final answer
   x = 59,652.62