Finding the Fourth Proportional to 79,215.72, 109,317.72 and 43,405.44

Step by Step Solution

1. Step 1: Write the proportion equation
   79,215.72 : 109,317.72 = 43,405.44 : x
2. Step 2: Convert to fraction form
   79,215.72/109,317.72 = 43,405.44/x
3. Step 3: Cross multiply
   79,215.72x = 109,317.72 × 43,405.44
4. Step 4: Simplify right side
   79,215.72x = 4,744,983,736.40
5. Step 5: Solve for x
   x = 4,744,983,736.40/79,215.72
6. Step 6: Final answer
   x = 59,899.52