Finding the Fourth Proportional to 79,538.98, 109,764.17 and 43,731.31

Step by Step Solution

1. Step 1: Write the proportion equation
   79,538.98 : 109,764.17 = 43,731.31 : x
2. Step 2: Convert to fraction form
   79,538.98/109,764.17 = 43,731.31/x
3. Step 3: Cross multiply
   79,538.98x = 109,764.17 × 43,731.31
4. Step 4: Simplify right side
   79,538.98x = 4,800,130,945.16
5. Step 5: Solve for x
   x = 4,800,130,945.16/79,538.98
6. Step 6: Final answer
   x = 60,349.42