Finding the Fourth Proportional to 79,316.02, 118,890.46 and 31,964.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,316.02 : 118,890.46 = 31,964.72 : x
2. Step 2: Convert to fraction form
   79,316.02/118,890.46 = 31,964.72/x
3. Step 3: Cross multiply
   79,316.02x = 118,890.46 × 31,964.72
4. Step 4: Simplify right side
   79,316.02x = 3,800,300,104.75
5. Step 5: Solve for x
   x = 3,800,300,104.75/79,316.02
6. Step 6: Final answer
   x = 47,913.40