Finding the Fourth Proportional to 79,145.42, 118,740.38 and 31,793.76

Step by Step Solution

1. Step 1: Write the proportion equation
   79,145.42 : 118,740.38 = 31,793.76 : x
2. Step 2: Convert to fraction form
   79,145.42/118,740.38 = 31,793.76/x
3. Step 3: Cross multiply
   79,145.42x = 118,740.38 × 31,793.76
4. Step 4: Simplify right side
   79,145.42x = 3,775,203,144.03
5. Step 5: Solve for x
   x = 3,775,203,144.03/79,145.42
6. Step 6: Final answer
   x = 47,699.58