Finding the Fourth Proportional to 79,405.50, 109,589.31 and 45,871.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,405.50 : 109,589.31 = 45,871.50 : x
2. Step 2: Convert to fraction form
   79,405.50/109,589.31 = 45,871.50/x
3. Step 3: Cross multiply
   79,405.50x = 109,589.31 × 45,871.50
4. Step 4: Simplify right side
   79,405.50x = 5,027,026,033.67
5. Step 5: Solve for x
   x = 5,027,026,033.67/79,405.50
6. Step 6: Final answer
   x = 63,308.29