Finding the Fourth Proportional to 116,680.75, 175,047.05 and 42,808.75

Step by Step Solution

1. Step 1: Write the proportion equation
   116,680.75 : 175,047.05 = 42,808.75 : x
2. Step 2: Convert to fraction form
   116,680.75/175,047.05 = 42,808.75/x
3. Step 3: Cross multiply
   116,680.75x = 175,047.05 × 42,808.75
4. Step 4: Simplify right side
   116,680.75x = 7,493,545,401.69
5. Step 5: Solve for x
   x = 7,493,545,401.69/116,680.75
6. Step 6: Final answer
   x = 64,222.64