Finding the Fourth Proportional to 79,123.68, 118,649.62 and 34,123.76

Step by Step Solution

1. Step 1: Write the proportion equation
   79,123.68 : 118,649.62 = 34,123.76 : x
2. Step 2: Convert to fraction form
   79,123.68/118,649.62 = 34,123.76/x
3. Step 3: Cross multiply
   79,123.68x = 118,649.62 × 34,123.76
4. Step 4: Simplify right side
   79,123.68x = 4,048,771,156.97
5. Step 5: Solve for x
   x = 4,048,771,156.97/79,123.68
6. Step 6: Final answer
   x = 51,170.16