Finding the Fourth Proportional to 151,931.46, 209,647.50 and 83,944.38

Step by Step Solution

1. Step 1: Write the proportion equation
   151,931.46 : 209,647.50 = 83,944.38 : x
2. Step 2: Convert to fraction form
   151,931.46/209,647.50 = 83,944.38/x
3. Step 3: Cross multiply
   151,931.46x = 209,647.50 × 83,944.38
4. Step 4: Simplify right side
   151,931.46x = 17,598,729,406.05
5. Step 5: Solve for x
   x = 17,598,729,406.05/151,931.46
6. Step 6: Final answer
   x = 115,833.35