Finding the Fourth Proportional to 100,689, 150,939.12 and 34,082.52

Step by Step Solution

1. Step 1: Write the proportion equation
   100,689 : 150,939.12 = 34,082.52 : x
2. Step 2: Convert to fraction form
   100,689/150,939.12 = 34,082.52/x
3. Step 3: Cross multiply
   100,689x = 150,939.12 × 34,082.52
4. Step 4: Simplify right side
   100,689x = 5,144,385,576.18
5. Step 5: Solve for x
   x = 5,144,385,576.18/100,689
6. Step 6: Final answer
   x = 51,091.83