Finding the Fourth Proportional to 69,513.29, 104,270.46 and 45,517.79

Step by Step Solution

1. Step 1: Write the proportion equation
   69,513.29 : 104,270.46 = 45,517.79 : x
2. Step 2: Convert to fraction form
   69,513.29/104,270.46 = 45,517.79/x
3. Step 3: Cross multiply
   69,513.29x = 104,270.46 × 45,517.79
4. Step 4: Simplify right side
   69,513.29x = 4,746,160,673.89
5. Step 5: Solve for x
   x = 4,746,160,673.89/69,513.29
6. Step 6: Final answer
   x = 68,277.03