Finding the Fourth Proportional to 116,939.73, 175,409.21 and 42,059.75

Step by Step Solution

1. Step 1: Write the proportion equation
   116,939.73 : 175,409.21 = 42,059.75 : x
2. Step 2: Convert to fraction form
   116,939.73/175,409.21 = 42,059.75/x
3. Step 3: Cross multiply
   116,939.73x = 175,409.21 × 42,059.75
4. Step 4: Simplify right side
   116,939.73x = 7,377,667,520.30
5. Step 5: Solve for x
   x = 7,377,667,520.30/116,939.73
6. Step 6: Final answer
   x = 63,089.49