Finding the Fourth Proportional to 117,960.30, 177,016.56 and 43,074.17

Step by Step Solution

1. Step 1: Write the proportion equation
   117,960.30 : 177,016.56 = 43,074.17 : x
2. Step 2: Convert to fraction form
   117,960.30/177,016.56 = 43,074.17/x
3. Step 3: Cross multiply
   117,960.30x = 177,016.56 × 43,074.17
4. Step 4: Simplify right side
   117,960.30x = 7,624,840,513.17
5. Step 5: Solve for x
   x = 7,624,840,513.17/117,960.30
6. Step 6: Final answer
   x = 64,639.04