Finding the Fourth Proportional to 116,680.50, 175,046.67 and 42,808.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,680.50 : 175,046.67 = 42,808.50 : x
2. Step 2: Convert to fraction form
   116,680.50/175,046.67 = 42,808.50/x
3. Step 3: Cross multiply
   116,680.50x = 175,046.67 × 42,808.50
4. Step 4: Simplify right side
   116,680.50x = 7,493,485,372.70
5. Step 5: Solve for x
   x = 7,493,485,372.70/116,680.50
6. Step 6: Final answer
   x = 64,222.26