Finding the Fourth Proportional to 103,694.10, 155,413.15 and 70,414.10

Step by Step Solution

1. Step 1: Write the proportion equation
   103,694.10 : 155,413.15 = 70,414.10 : x
2. Step 2: Convert to fraction form
   103,694.10/155,413.15 = 70,414.10/x
3. Step 3: Cross multiply
   103,694.10x = 155,413.15 × 70,414.10
4. Step 4: Simplify right side
   103,694.10x = 10,943,277,085.42
5. Step 5: Solve for x
   x = 10,943,277,085.42/103,694.10
6. Step 6: Final answer
   x = 105,534.23