Finding the Fourth Proportional to 79,311.98, 109,445.45 and 43,494.39

Step by Step Solution

1. Step 1: Write the proportion equation
   79,311.98 : 109,445.45 = 43,494.39 : x
2. Step 2: Convert to fraction form
   79,311.98/109,445.45 = 43,494.39/x
3. Step 3: Cross multiply
   79,311.98x = 109,445.45 × 43,494.39
4. Step 4: Simplify right side
   79,311.98x = 4,760,262,868.55
5. Step 5: Solve for x
   x = 4,760,262,868.55/79,311.98
6. Step 6: Final answer
   x = 60,019.47