Finding the Fourth Proportional to 102,097.72, 140,854.98 and 75,304

Step by Step Solution

1. Step 1: Write the proportion equation
   102,097.72 : 140,854.98 = 75,304 : x
2. Step 2: Convert to fraction form
   102,097.72/140,854.98 = 75,304/x
3. Step 3: Cross multiply
   102,097.72x = 140,854.98 × 75,304
4. Step 4: Simplify right side
   102,097.72x = 10,606,943,413.92
5. Step 5: Solve for x
   x = 10,606,943,413.92/102,097.72
6. Step 6: Final answer
   x = 103,890.11